49000005

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 93265920

約数和(自身を除く): 44265915

約数列:

[1, 3, 5, 9, 15, 23, 27, 43, 45, 69, 115, 129, 135, 207, 215, 345, 367, 387, 621, 645, 989, 1035, 1101, 1161, 1835, 1935, 2967, 3105, 3303, 4945, 5505, 5805, 8441, 8901, 9909, 14835, 15781, 16515, 25323, 26703, 42205, 44505, 47343, 49545, 75969, 78905, 126615, 133515, 142029, 227907, 236715, 362963, 379845, 426087, 710145, 1088889, 1139535, 1814815, 2130435, 3266667, 5444445, 9800001, 16333335, 49000005]

約数ペア:

[(1, 49000005), (3, 16333335), (5, 9800001), (9, 5444445), (15, 3266667), (23, 2130435), (27, 1814815), (43, 1139535), (45, 1088889), (69, 710145), (115, 426087), (129, 379845), (135, 362963), (207, 236715), (215, 227907), (345, 142029), (367, 133515), (387, 126615), (621, 78905), (645, 75969), (989, 49545), (1035, 47343), (1101, 44505), (1161, 42205), (1835, 26703), (1935, 25323), (2967, 16515), (3105, 15781), (3303, 14835), (4945, 9909), (5505, 8901), (5805, 8441)]