79681725

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 90

約数和(自身を含む): 157204410

約数和(自身を除く): 77522685

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 109, 135, 171, 225, 285, 327, 361, 405, 475, 513, 545, 675, 855, 981, 1083, 1425, 1539, 1635, 1805, 2025, 2071, 2565, 2725, 2943, 3249, 4275, 4905, 5415, 6213, 7695, 8175, 8829, 9025, 9747, 10355, 12825, 14715, 16245, 18639, 24525, 27075, 29241, 31065, 38475, 39349, 44145, 48735, 51775, 55917, 73575, 81225, 93195, 118047, 146205, 155325, 167751, 196745, 220725, 243675, 279585, 354141, 465975, 590235, 731025, 838755, 983725, 1062423, 1397925, 1770705, 2951175, 3187269, 4193775, 5312115, 8853525, 15936345, 26560575, 79681725]

約数ペア:

[(1, 79681725), (3, 26560575), (5, 15936345), (9, 8853525), (15, 5312115), (19, 4193775), (25, 3187269), (27, 2951175), (45, 1770705), (57, 1397925), (75, 1062423), (81, 983725), (95, 838755), (109, 731025), (135, 590235), (171, 465975), (225, 354141), (285, 279585), (327, 243675), (361, 220725), (405, 196745), (475, 167751), (513, 155325), (545, 146205), (675, 118047), (855, 93195), (981, 81225), (1083, 73575), (1425, 55917), (1539, 51775), (1635, 48735), (1805, 44145), (2025, 39349), (2071, 38475), (2565, 31065), (2725, 29241), (2943, 27075), (3249, 24525), (4275, 18639), (4905, 16245), (5415, 14715), (6213, 12825), (7695, 10355), (8175, 9747), (8829, 9025)]