1888173855

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:909

約数の個数: 64

約数和(自身を含む): 3409136640

約数和(自身を除く): 1520962785

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 251, 309, 515, 541, 753, 927, 1255, 1545, 1623, 2259, 2705, 2781, 3765, 4635, 4869, 6777, 8115, 11295, 13905, 14607, 24345, 25853, 33885, 55723, 73035, 77559, 129265, 135791, 167169, 232677, 278615, 387795, 407373, 501507, 678955, 698031, 835845, 1163385, 1222119, 1504521, 2036865, 2507535, 3490155, 3666357, 6110595, 7522605, 13986473, 18331785, 41959419, 69932365, 125878257, 209797095, 377634771, 629391285, 1888173855]

約数ペア:

[(1, 1888173855), (3, 629391285), (5, 377634771), (9, 209797095), (15, 125878257), (27, 69932365), (45, 41959419), (103, 18331785), (135, 13986473), (251, 7522605), (309, 6110595), (515, 3666357), (541, 3490155), (753, 2507535), (927, 2036865), (1255, 1504521), (1545, 1222119), (1623, 1163385), (2259, 835845), (2705, 698031), (2781, 678955), (3765, 501507), (4635, 407373), (4869, 387795), (6777, 278615), (8115, 232677), (11295, 167169), (13905, 135791), (14607, 129265), (24345, 77559), (25853, 73035), (33885, 55723)]