212919885

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{677}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 383937840

約数和(自身を除く): 171017955

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 241, 261, 435, 677, 723, 1205, 1305, 2031, 2169, 3385, 3615, 6093, 6989, 10155, 10845, 19633, 20967, 30465, 34945, 58899, 62901, 98165, 104835, 163157, 176697, 294495, 314505, 489471, 815785, 883485, 1468413, 2447355, 4731553, 7342065, 14194659, 23657765, 42583977, 70973295, 212919885]

約数ペア:

[(1, 212919885), (3, 70973295), (5, 42583977), (9, 23657765), (15, 14194659), (29, 7342065), (45, 4731553), (87, 2447355), (145, 1468413), (241, 883485), (261, 815785), (435, 489471), (677, 314505), (723, 294495), (1205, 176697), (1305, 163157), (2031, 104835), (2169, 98165), (3385, 62901), (3615, 58899), (6093, 34945), (6989, 30465), (10155, 20967), (10845, 19633)]