216690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 539136

約数和(自身を除く): 322446

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 233, 310, 465, 466, 699, 930, 1165, 1398, 2330, 3495, 6990, 7223, 14446, 21669, 36115, 43338, 72230, 108345, 216690]

約数ペア:

[(1, 216690), (2, 108345), (3, 72230), (5, 43338), (6, 36115), (10, 21669), (15, 14446), (30, 7223), (31, 6990), (62, 3495), (93, 2330), (155, 1398), (186, 1165), (233, 930), (310, 699), (465, 466)]