2548665

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 80

約数和(自身を含む): 5575680

約数和(自身を除く): 3027015

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 31, 35, 45, 63, 81, 87, 93, 105, 135, 145, 155, 189, 203, 217, 261, 279, 315, 405, 435, 465, 567, 609, 651, 783, 837, 899, 945, 1015, 1085, 1305, 1395, 1827, 1953, 2349, 2511, 2697, 2835, 3045, 3255, 3915, 4185, 4495, 5481, 5859, 6293, 8091, 9135, 9765, 11745, 12555, 13485, 16443, 17577, 18879, 24273, 27405, 29295, 31465, 40455, 56637, 72819, 82215, 87885, 94395, 121365, 169911, 283185, 364095, 509733, 849555, 2548665]

約数ペア:

[(1, 2548665), (3, 849555), (5, 509733), (7, 364095), (9, 283185), (15, 169911), (21, 121365), (27, 94395), (29, 87885), (31, 82215), (35, 72819), (45, 56637), (63, 40455), (81, 31465), (87, 29295), (93, 27405), (105, 24273), (135, 18879), (145, 17577), (155, 16443), (189, 13485), (203, 12555), (217, 11745), (261, 9765), (279, 9135), (315, 8091), (405, 6293), (435, 5859), (465, 5481), (567, 4495), (609, 4185), (651, 3915), (783, 3255), (837, 3045), (899, 2835), (945, 2697), (1015, 2511), (1085, 2349), (1305, 1953), (1395, 1827)]