179997885

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2851}}^1$

素因数の和:2946

約数の個数: 48

約数和(自身を含む): 331014528

約数和(自身を除く): 151016643

約数列:

[1, 3, 5, 9, 15, 23, 45, 61, 69, 115, 183, 207, 305, 345, 549, 915, 1035, 1403, 2745, 2851, 4209, 7015, 8553, 12627, 14255, 21045, 25659, 42765, 63135, 65573, 128295, 173911, 196719, 327865, 521733, 590157, 869555, 983595, 1565199, 2608665, 2950785, 3999953, 7825995, 11999859, 19999765, 35999577, 59999295, 179997885]

約数ペア:

[(1, 179997885), (3, 59999295), (5, 35999577), (9, 19999765), (15, 11999859), (23, 7825995), (45, 3999953), (61, 2950785), (69, 2608665), (115, 1565199), (183, 983595), (207, 869555), (305, 590157), (345, 521733), (549, 327865), (915, 196719), (1035, 173911), (1403, 128295), (2745, 65573), (2851, 63135), (4209, 42765), (7015, 25659), (8553, 21045), (12627, 14255)]