615225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 1097152

約数和(自身を除く): 481927

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 631, 975, 1893, 3155, 8203, 9465, 15775, 24609, 41015, 47325, 123045, 205075, 615225]

約数ペア:

[(1, 615225), (3, 205075), (5, 123045), (13, 47325), (15, 41015), (25, 24609), (39, 15775), (65, 9465), (75, 8203), (195, 3155), (325, 1893), (631, 975)]