40378821

素因数分解:

$3^1\times 7^1\times {\mathrm{1201}}^1\times {\mathrm{1601}}^1$

素因数の和:2812

約数の個数: 16

約数和(自身を含む): 61619328

約数和(自身を除く): 21240507

約数列:

[1, 3, 7, 21, 1201, 1601, 3603, 4803, 8407, 11207, 25221, 33621, 1922801, 5768403, 13459607, 40378821]

約数ペア:

[(1, 40378821), (3, 13459607), (7, 5768403), (21, 1922801), (1201, 33621), (1601, 25221), (3603, 11207), (4803, 8407)]