13172985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 28753920

約数和(自身を除く): 15580935

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 31, 35, 45, 57, 63, 71, 93, 95, 105, 133, 155, 171, 213, 217, 279, 285, 315, 355, 399, 465, 497, 589, 639, 651, 665, 855, 1065, 1085, 1197, 1349, 1395, 1491, 1767, 1953, 1995, 2201, 2485, 2945, 3195, 3255, 4047, 4123, 4473, 5301, 5985, 6603, 6745, 7455, 8835, 9443, 9765, 11005, 12141, 12369, 15407, 19809, 20235, 20615, 22365, 26505, 28329, 33015, 37107, 41819, 46221, 47215, 60705, 61845, 77035, 84987, 99045, 125457, 138663, 141645, 185535, 209095, 231105, 292733, 376371, 424935, 627285, 693315, 878199, 1463665, 1881855, 2634597, 4390995, 13172985]

約数ペア:

[(1, 13172985), (3, 4390995), (5, 2634597), (7, 1881855), (9, 1463665), (15, 878199), (19, 693315), (21, 627285), (31, 424935), (35, 376371), (45, 292733), (57, 231105), (63, 209095), (71, 185535), (93, 141645), (95, 138663), (105, 125457), (133, 99045), (155, 84987), (171, 77035), (213, 61845), (217, 60705), (279, 47215), (285, 46221), (315, 41819), (355, 37107), (399, 33015), (465, 28329), (497, 26505), (589, 22365), (639, 20615), (651, 20235), (665, 19809), (855, 15407), (1065, 12369), (1085, 12141), (1197, 11005), (1349, 9765), (1395, 9443), (1491, 8835), (1767, 7455), (1953, 6745), (1995, 6603), (2201, 5985), (2485, 5301), (2945, 4473), (3195, 4123), (3255, 4047)]