16253775

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 31337280

約数和(自身を除く): 15083505

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 47, 53, 75, 87, 141, 145, 159, 225, 235, 261, 265, 423, 435, 477, 705, 725, 795, 1175, 1305, 1325, 1363, 1537, 2115, 2175, 2385, 2491, 3525, 3975, 4089, 4611, 6525, 6815, 7473, 7685, 10575, 11925, 12267, 12455, 13833, 20445, 22419, 23055, 34075, 37365, 38425, 61335, 62275, 69165, 72239, 102225, 112095, 115275, 186825, 216717, 306675, 345825, 361195, 560475, 650151, 1083585, 1805975, 3250755, 5417925, 16253775]

約数ペア:

[(1, 16253775), (3, 5417925), (5, 3250755), (9, 1805975), (15, 1083585), (25, 650151), (29, 560475), (45, 361195), (47, 345825), (53, 306675), (75, 216717), (87, 186825), (141, 115275), (145, 112095), (159, 102225), (225, 72239), (235, 69165), (261, 62275), (265, 61335), (423, 38425), (435, 37365), (477, 34075), (705, 23055), (725, 22419), (795, 20445), (1175, 13833), (1305, 12455), (1325, 12267), (1363, 11925), (1537, 10575), (2115, 7685), (2175, 7473), (2385, 6815), (2491, 6525), (3525, 4611), (3975, 4089)]