172364205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21559}}^1$

素因数の和:21621

約数の個数: 32

約数和(自身を含む): 304254720

約数和(自身を除く): 131890515

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 21559, 64677, 107795, 280267, 323385, 840801, 883919, 1401335, 2651757, 4204005, 4419595, 11490947, 13258785, 34472841, 57454735, 172364205]

約数ペア:

[(1, 172364205), (3, 57454735), (5, 34472841), (13, 13258785), (15, 11490947), (39, 4419595), (41, 4204005), (65, 2651757), (123, 1401335), (195, 883919), (205, 840801), (533, 323385), (615, 280267), (1599, 107795), (2665, 64677), (7995, 21559)]