289142775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{947}}^1$

素因数の和:1045

約数の個数: 72

約数和(自身を含む): 550143360

約数和(自身を除く): 261000585

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 59, 69, 75, 115, 177, 207, 225, 295, 345, 531, 575, 885, 947, 1035, 1357, 1475, 1725, 2655, 2841, 4071, 4425, 4735, 5175, 6785, 8523, 12213, 13275, 14205, 20355, 21781, 23675, 33925, 42615, 55873, 61065, 65343, 71025, 101775, 108905, 167619, 196029, 213075, 279365, 305325, 326715, 502857, 544525, 838095, 980145, 1285079, 1396825, 1633575, 2514285, 3855237, 4190475, 4900725, 6425395, 11565711, 12571425, 19276185, 32126975, 57828555, 96380925, 289142775]

約数ペア:

[(1, 289142775), (3, 96380925), (5, 57828555), (9, 32126975), (15, 19276185), (23, 12571425), (25, 11565711), (45, 6425395), (59, 4900725), (69, 4190475), (75, 3855237), (115, 2514285), (177, 1633575), (207, 1396825), (225, 1285079), (295, 980145), (345, 838095), (531, 544525), (575, 502857), (885, 326715), (947, 305325), (1035, 279365), (1357, 213075), (1475, 196029), (1725, 167619), (2655, 108905), (2841, 101775), (4071, 71025), (4425, 65343), (4735, 61065), (5175, 55873), (6785, 42615), (8523, 33925), (12213, 23675), (13275, 21781), (14205, 20355)]