651990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 1587456

約数和(自身を除く): 935466

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 211, 309, 422, 515, 618, 633, 1030, 1055, 1266, 1545, 2110, 3090, 3165, 6330, 21733, 43466, 65199, 108665, 130398, 217330, 325995, 651990]

約数ペア:

[(1, 651990), (2, 325995), (3, 217330), (5, 130398), (6, 108665), (10, 65199), (15, 43466), (30, 21733), (103, 6330), (206, 3165), (211, 3090), (309, 2110), (422, 1545), (515, 1266), (618, 1055), (633, 1030)]