13513275

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 26598000

約数和(自身を除く): 13084725

約数列:

[1, 3, 5, 9, 15, 19, 25, 29, 45, 57, 75, 87, 95, 109, 145, 171, 225, 261, 285, 327, 435, 475, 545, 551, 725, 855, 981, 1305, 1425, 1635, 1653, 2071, 2175, 2725, 2755, 3161, 4275, 4905, 4959, 6213, 6525, 8175, 8265, 9483, 10355, 13775, 15805, 18639, 24525, 24795, 28449, 31065, 41325, 47415, 51775, 60059, 79025, 93195, 123975, 142245, 155325, 180177, 237075, 300295, 465975, 540531, 711225, 900885, 1501475, 2702655, 4504425, 13513275]

約数ペア:

[(1, 13513275), (3, 4504425), (5, 2702655), (9, 1501475), (15, 900885), (19, 711225), (25, 540531), (29, 465975), (45, 300295), (57, 237075), (75, 180177), (87, 155325), (95, 142245), (109, 123975), (145, 93195), (171, 79025), (225, 60059), (261, 51775), (285, 47415), (327, 41325), (435, 31065), (475, 28449), (545, 24795), (551, 24525), (725, 18639), (855, 15805), (981, 13775), (1305, 10355), (1425, 9483), (1635, 8265), (1653, 8175), (2071, 6525), (2175, 6213), (2725, 4959), (2755, 4905), (3161, 4275)]