16897725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 33513480

約数和(自身を除く): 16615755

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 53, 65, 75, 109, 117, 159, 195, 225, 265, 325, 327, 477, 545, 585, 689, 795, 975, 981, 1325, 1417, 1635, 2067, 2385, 2725, 2925, 3445, 3975, 4251, 4905, 5777, 6201, 7085, 8175, 10335, 11925, 12753, 17225, 17331, 21255, 24525, 28885, 31005, 35425, 51675, 51993, 63765, 75101, 86655, 106275, 144425, 155025, 225303, 259965, 318825, 375505, 433275, 675909, 1126515, 1299825, 1877525, 3379545, 5632575, 16897725]

約数ペア:

[(1, 16897725), (3, 5632575), (5, 3379545), (9, 1877525), (13, 1299825), (15, 1126515), (25, 675909), (39, 433275), (45, 375505), (53, 318825), (65, 259965), (75, 225303), (109, 155025), (117, 144425), (159, 106275), (195, 86655), (225, 75101), (265, 63765), (325, 51993), (327, 51675), (477, 35425), (545, 31005), (585, 28885), (689, 24525), (795, 21255), (975, 17331), (981, 17225), (1325, 12753), (1417, 11925), (1635, 10335), (2067, 8175), (2385, 7085), (2725, 6201), (2925, 5777), (3445, 4905), (3975, 4251)]