31220445

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 51414912

約数和(自身を除く): 20194467

約数列:

[1, 3, 5, 15, 53, 159, 173, 227, 265, 519, 681, 795, 865, 1135, 2595, 3405, 9169, 12031, 27507, 36093, 39271, 45845, 60155, 117813, 137535, 180465, 196355, 589065, 2081363, 6244089, 10406815, 31220445]

約数ペア:

[(1, 31220445), (3, 10406815), (5, 6244089), (15, 2081363), (53, 589065), (159, 196355), (173, 180465), (227, 137535), (265, 117813), (519, 60155), (681, 45845), (795, 39271), (865, 36093), (1135, 27507), (2595, 12031), (3405, 9169)]