615131985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73361}}^1$

素因数の和:73425

約数の個数: 32

約数和(自身を含む): 1084583808

約数和(自身を除く): 469451823

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 73361, 220083, 366805, 953693, 1100415, 2861079, 3154523, 4768465, 9463569, 14305395, 15772615, 41008799, 47317845, 123026397, 205043995, 615131985]

約数ペア:

[(1, 615131985), (3, 205043995), (5, 123026397), (13, 47317845), (15, 41008799), (39, 15772615), (43, 14305395), (65, 9463569), (129, 4768465), (195, 3154523), (215, 2861079), (559, 1100415), (645, 953693), (1677, 366805), (2795, 220083), (8385, 73361)]