204428637

素因数分解:

$3^3\times 7^2\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 354585600

約数和(自身を除く): 150156963

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 191, 441, 573, 809, 1323, 1337, 1719, 2427, 4011, 5157, 5663, 7281, 9359, 12033, 16989, 21843, 28077, 36099, 39641, 50967, 84231, 118923, 152901, 154519, 252693, 356769, 463557, 1070307, 1081633, 1390671, 3244899, 4172013, 7571431, 9734697, 22714293, 29204091, 68142879, 204428637]

約数ペア:

[(1, 204428637), (3, 68142879), (7, 29204091), (9, 22714293), (21, 9734697), (27, 7571431), (49, 4172013), (63, 3244899), (147, 1390671), (189, 1081633), (191, 1070307), (441, 463557), (573, 356769), (809, 252693), (1323, 154519), (1337, 152901), (1719, 118923), (2427, 84231), (4011, 50967), (5157, 39641), (5663, 36099), (7281, 28077), (9359, 21843), (12033, 16989)]