18016425

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 120

約数和(自身を含む): 40330752

約数和(自身を除く): 22314327

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 31, 35, 41, 45, 63, 75, 81, 93, 105, 123, 135, 155, 175, 189, 205, 217, 225, 279, 287, 315, 369, 405, 465, 525, 567, 615, 651, 675, 775, 837, 861, 945, 1025, 1085, 1107, 1271, 1395, 1435, 1575, 1845, 1953, 2025, 2325, 2511, 2583, 2835, 3075, 3255, 3321, 3813, 4185, 4305, 4725, 5425, 5535, 5859, 6355, 6975, 7175, 7749, 8897, 9225, 9765, 11439, 12555, 12915, 14175, 16275, 16605, 17577, 19065, 20925, 21525, 23247, 26691, 27675, 29295, 31775, 34317, 38745, 44485, 48825, 57195, 62775, 64575, 80073, 83025, 87885, 95325, 102951, 116235, 133455, 146475, 171585, 193725, 222425, 240219, 285975, 400365, 439425, 514755, 581175, 667275, 720657, 857925, 1201095, 2001825, 2573775, 3603285, 6005475, 18016425]

約数ペア:

[(1, 18016425), (3, 6005475), (5, 3603285), (7, 2573775), (9, 2001825), (15, 1201095), (21, 857925), (25, 720657), (27, 667275), (31, 581175), (35, 514755), (41, 439425), (45, 400365), (63, 285975), (75, 240219), (81, 222425), (93, 193725), (105, 171585), (123, 146475), (135, 133455), (155, 116235), (175, 102951), (189, 95325), (205, 87885), (217, 83025), (225, 80073), (279, 64575), (287, 62775), (315, 57195), (369, 48825), (405, 44485), (465, 38745), (525, 34317), (567, 31775), (615, 29295), (651, 27675), (675, 26691), (775, 23247), (837, 21525), (861, 20925), (945, 19065), (1025, 17577), (1085, 16605), (1107, 16275), (1271, 14175), (1395, 12915), (1435, 12555), (1575, 11439), (1845, 9765), (1953, 9225), (2025, 8897), (2325, 7749), (2511, 7175), (2583, 6975), (2835, 6355), (3075, 5859), (3255, 5535), (3321, 5425), (3813, 4725), (4185, 4305)]