217613025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4457}}^1$

素因数の和:4511

約数の個数: 72

約数和(自身を含む): 459922944

約数和(自身を除く): 242309919

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 63, 75, 93, 105, 155, 175, 217, 225, 279, 315, 465, 525, 651, 775, 1085, 1395, 1575, 1953, 2325, 3255, 4457, 5425, 6975, 9765, 13371, 16275, 22285, 31199, 40113, 48825, 66855, 93597, 111425, 138167, 155995, 200565, 280791, 334275, 414501, 467985, 690835, 779975, 967169, 1002825, 1243503, 1403955, 2072505, 2339925, 2901507, 3454175, 4835845, 6217515, 7019775, 8704521, 10362525, 14507535, 24179225, 31087575, 43522605, 72537675, 217613025]

約数ペア:

[(1, 217613025), (3, 72537675), (5, 43522605), (7, 31087575), (9, 24179225), (15, 14507535), (21, 10362525), (25, 8704521), (31, 7019775), (35, 6217515), (45, 4835845), (63, 3454175), (75, 2901507), (93, 2339925), (105, 2072505), (155, 1403955), (175, 1243503), (217, 1002825), (225, 967169), (279, 779975), (315, 690835), (465, 467985), (525, 414501), (651, 334275), (775, 280791), (1085, 200565), (1395, 155995), (1575, 138167), (1953, 111425), (2325, 93597), (3255, 66855), (4457, 48825), (5425, 40113), (6975, 31199), (9765, 22285), (13371, 16275)]