139942215

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 311869440

約数和(自身を除く): 171927225

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 31, 35, 45, 51, 63, 85, 93, 105, 119, 135, 153, 155, 189, 217, 255, 279, 281, 315, 357, 459, 465, 527, 595, 651, 765, 837, 843, 945, 1071, 1085, 1395, 1405, 1581, 1785, 1953, 1967, 2295, 2529, 2635, 3213, 3255, 3689, 4185, 4215, 4743, 4777, 5355, 5859, 5901, 7587, 7905, 8711, 9765, 9835, 11067, 12645, 14229, 14331, 16065, 17703, 18445, 23715, 23885, 26133, 29295, 29505, 33201, 33439, 37935, 42993, 43555, 53109, 55335, 60977, 71145, 71655, 78399, 88515, 99603, 100317, 128979, 130665, 148087, 166005, 167195, 182931, 214965, 235197, 265545, 300951, 304885, 391995, 444261, 498015, 501585, 548793, 644895, 740435, 902853, 914655, 1036609, 1175985, 1332783, 1504755, 1646379, 2221305, 2743965, 3109827, 3998349, 4514265, 5183045, 6663915, 8231895, 9329481, 15549135, 19991745, 27988443, 46647405, 139942215]

約数ペア:

[(1, 139942215), (3, 46647405), (5, 27988443), (7, 19991745), (9, 15549135), (15, 9329481), (17, 8231895), (21, 6663915), (27, 5183045), (31, 4514265), (35, 3998349), (45, 3109827), (51, 2743965), (63, 2221305), (85, 1646379), (93, 1504755), (105, 1332783), (119, 1175985), (135, 1036609), (153, 914655), (155, 902853), (189, 740435), (217, 644895), (255, 548793), (279, 501585), (281, 498015), (315, 444261), (357, 391995), (459, 304885), (465, 300951), (527, 265545), (595, 235197), (651, 214965), (765, 182931), (837, 167195), (843, 166005), (945, 148087), (1071, 130665), (1085, 128979), (1395, 100317), (1405, 99603), (1581, 88515), (1785, 78399), (1953, 71655), (1967, 71145), (2295, 60977), (2529, 55335), (2635, 53109), (3213, 43555), (3255, 42993), (3689, 37935), (4185, 33439), (4215, 33201), (4743, 29505), (4777, 29295), (5355, 26133), (5859, 23885), (5901, 23715), (7587, 18445), (7905, 17703), (8711, 16065), (9765, 14331), (9835, 14229), (11067, 12645)]