1640772015

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1540631}}^1$

素因数の和:1540710

約数の個数: 16

約数和(自身を含む): 2662212096

約数和(自身を除く): 1021440081

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 1540631, 4621893, 7703155, 23109465, 109384801, 328154403, 546924005, 1640772015]

約数ペア:

[(1, 1640772015), (3, 546924005), (5, 328154403), (15, 109384801), (71, 23109465), (213, 7703155), (355, 4621893), (1065, 1540631)]