15671475

素因数分解:

$3^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 60

約数和(自身を含む): 29707920

約数和(自身を除く): 14036445

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 109, 135, 213, 225, 327, 355, 405, 545, 639, 675, 981, 1065, 1635, 1775, 1917, 2025, 2725, 2943, 3195, 4905, 5325, 5751, 7739, 8175, 8829, 9585, 14715, 15975, 23217, 24525, 28755, 38695, 44145, 47925, 69651, 73575, 116085, 143775, 193475, 208953, 220725, 348255, 580425, 626859, 1044765, 1741275, 3134295, 5223825, 15671475]

約数ペア:

[(1, 15671475), (3, 5223825), (5, 3134295), (9, 1741275), (15, 1044765), (25, 626859), (27, 580425), (45, 348255), (71, 220725), (75, 208953), (81, 193475), (109, 143775), (135, 116085), (213, 73575), (225, 69651), (327, 47925), (355, 44145), (405, 38695), (545, 28755), (639, 24525), (675, 23217), (981, 15975), (1065, 14715), (1635, 9585), (1775, 8829), (1917, 8175), (2025, 7739), (2725, 5751), (2943, 5325), (3195, 4905)]