28947387

素因数分解:

$3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{1031}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 45176832

約数和(自身を除く): 16229445

約数列:

[1, 3, 7, 21, 49, 147, 191, 573, 1031, 1337, 3093, 4011, 7217, 9359, 21651, 28077, 50519, 151557, 196921, 590763, 1378447, 4135341, 9649129, 28947387]

約数ペア:

[(1, 28947387), (3, 9649129), (7, 4135341), (21, 1378447), (49, 590763), (147, 196921), (191, 151557), (573, 50519), (1031, 28077), (1337, 21651), (3093, 9359), (4011, 7217)]