249761025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 108

約数和(自身を含む): 498843072

約数和(自身を除く): 249082047

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 167, 207, 225, 255, 289, 345, 391, 425, 501, 575, 765, 835, 867, 1035, 1173, 1275, 1445, 1503, 1725, 1955, 2505, 2601, 2839, 3519, 3825, 3841, 4175, 4335, 5175, 5865, 6647, 7225, 7515, 8517, 9775, 11523, 12525, 13005, 14195, 17595, 19205, 19941, 21675, 25551, 29325, 33235, 34569, 37575, 42585, 48263, 57615, 59823, 65025, 65297, 70975, 87975, 96025, 99705, 127755, 144789, 166175, 172845, 195891, 212925, 241315, 288075, 299115, 326485, 434367, 498525, 587673, 638775, 723945, 864225, 979455, 1110049, 1206575, 1495575, 1632425, 2171835, 2938365, 3330147, 3619725, 4897275, 5550245, 9990441, 10859175, 14691825, 16650735, 27751225, 49952205, 83253675, 249761025]

約数ペア:

[(1, 249761025), (3, 83253675), (5, 49952205), (9, 27751225), (15, 16650735), (17, 14691825), (23, 10859175), (25, 9990441), (45, 5550245), (51, 4897275), (69, 3619725), (75, 3330147), (85, 2938365), (115, 2171835), (153, 1632425), (167, 1495575), (207, 1206575), (225, 1110049), (255, 979455), (289, 864225), (345, 723945), (391, 638775), (425, 587673), (501, 498525), (575, 434367), (765, 326485), (835, 299115), (867, 288075), (1035, 241315), (1173, 212925), (1275, 195891), (1445, 172845), (1503, 166175), (1725, 144789), (1955, 127755), (2505, 99705), (2601, 96025), (2839, 87975), (3519, 70975), (3825, 65297), (3841, 65025), (4175, 59823), (4335, 57615), (5175, 48263), (5865, 42585), (6647, 37575), (7225, 34569), (7515, 33235), (8517, 29325), (9775, 25551), (11523, 21675), (12525, 19941), (13005, 19205), (14195, 17595)]