40389381

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 61603200

約数和(自身を除く): 21213819

約数列:

[1, 3, 9, 27, 61, 137, 179, 183, 411, 537, 549, 1233, 1611, 1647, 3699, 4833, 8357, 10919, 24523, 25071, 32757, 73569, 75213, 98271, 220707, 225639, 294813, 662121, 1495903, 4487709, 13463127, 40389381]

約数ペア:

[(1, 40389381), (3, 13463127), (9, 4487709), (27, 1495903), (61, 662121), (137, 294813), (179, 225639), (183, 220707), (411, 98271), (537, 75213), (549, 73569), (1233, 32757), (1611, 25071), (1647, 24523), (3699, 10919), (4833, 8357)]