201615975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:162

約数の個数: 108

約数和(自身を含む): 415364040

約数和(自身を除く): 213748065

約数列:

[1, 3, 5, 9, 11, 15, 25, 29, 33, 45, 53, 55, 75, 87, 99, 145, 159, 165, 225, 261, 265, 275, 319, 435, 477, 495, 583, 725, 795, 825, 957, 1305, 1325, 1537, 1595, 1749, 2175, 2385, 2475, 2809, 2871, 2915, 3975, 4611, 4785, 5247, 6525, 7685, 7975, 8427, 8745, 11925, 13833, 14045, 14355, 14575, 16907, 23055, 23925, 25281, 26235, 30899, 38425, 42135, 43725, 50721, 69165, 70225, 71775, 81461, 84535, 92697, 115275, 126405, 131175, 152163, 154495, 210675, 244383, 253605, 278091, 345825, 407305, 422675, 463485, 632025, 733149, 760815, 772475, 896071, 1221915, 1268025, 1390455, 2036525, 2317425, 2688213, 3665745, 3804075, 4480355, 6109575, 6952275, 8064639, 13441065, 18328725, 22401775, 40323195, 67205325, 201615975]

約数ペア:

[(1, 201615975), (3, 67205325), (5, 40323195), (9, 22401775), (11, 18328725), (15, 13441065), (25, 8064639), (29, 6952275), (33, 6109575), (45, 4480355), (53, 3804075), (55, 3665745), (75, 2688213), (87, 2317425), (99, 2036525), (145, 1390455), (159, 1268025), (165, 1221915), (225, 896071), (261, 772475), (265, 760815), (275, 733149), (319, 632025), (435, 463485), (477, 422675), (495, 407305), (583, 345825), (725, 278091), (795, 253605), (825, 244383), (957, 210675), (1305, 154495), (1325, 152163), (1537, 131175), (1595, 126405), (1749, 115275), (2175, 92697), (2385, 84535), (2475, 81461), (2809, 71775), (2871, 70225), (2915, 69165), (3975, 50721), (4611, 43725), (4785, 42135), (5247, 38425), (6525, 30899), (7685, 26235), (7975, 25281), (8427, 23925), (8745, 23055), (11925, 16907), (13833, 14575), (14045, 14355)]