1987363875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32917}}^1$

素因数の和:32965

約数の個数: 64

約数和(自身を含む): 3943839744

約数和(自身を除く): 1956475869

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 125, 161, 175, 345, 375, 483, 525, 575, 805, 875, 1725, 2415, 2625, 2875, 4025, 8625, 12075, 20125, 32917, 60375, 98751, 164585, 230419, 493755, 691257, 757091, 822925, 1152095, 2271273, 2468775, 3456285, 3785455, 4114625, 5299637, 5760475, 11356365, 12343875, 15898911, 17281425, 18927275, 26498185, 28802375, 56781825, 79494555, 86407125, 94636375, 132490925, 283909125, 397472775, 662454625, 1987363875]

約数ペア:

[(1, 1987363875), (3, 662454625), (5, 397472775), (7, 283909125), (15, 132490925), (21, 94636375), (23, 86407125), (25, 79494555), (35, 56781825), (69, 28802375), (75, 26498185), (105, 18927275), (115, 17281425), (125, 15898911), (161, 12343875), (175, 11356365), (345, 5760475), (375, 5299637), (483, 4114625), (525, 3785455), (575, 3456285), (805, 2468775), (875, 2271273), (1725, 1152095), (2415, 822925), (2625, 757091), (2875, 691257), (4025, 493755), (8625, 230419), (12075, 164585), (20125, 98751), (32917, 60375)]