1318275

素因数分解:

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

素因数の和:63

約数の個数: 72

約数和(自身を含む): 2888704

約数和(自身を除く): 1570429

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 31, 35, 45, 63, 75, 81, 93, 105, 135, 155, 175, 189, 217, 225, 243, 279, 315, 405, 465, 525, 567, 651, 675, 775, 837, 945, 1085, 1215, 1395, 1575, 1701, 1953, 2025, 2325, 2511, 2835, 3255, 4185, 4725, 5425, 5859, 6075, 6975, 7533, 8505, 9765, 12555, 14175, 16275, 17577, 20925, 29295, 37665, 42525, 48825, 52731, 62775, 87885, 146475, 188325, 263655, 439425, 1318275]

約数ペア:

[(1, 1318275), (3, 439425), (5, 263655), (7, 188325), (9, 146475), (15, 87885), (21, 62775), (25, 52731), (27, 48825), (31, 42525), (35, 37665), (45, 29295), (63, 20925), (75, 17577), (81, 16275), (93, 14175), (105, 12555), (135, 9765), (155, 8505), (175, 7533), (189, 6975), (217, 6075), (225, 5859), (243, 5425), (279, 4725), (315, 4185), (405, 3255), (465, 2835), (525, 2511), (567, 2325), (651, 2025), (675, 1953), (775, 1701), (837, 1575), (945, 1395), (1085, 1215)]