210990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 546336

約数和(自身を除く): 335346

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 541, 1082, 1623, 2705, 3246, 5410, 7033, 8115, 14066, 16230, 21099, 35165, 42198, 70330, 105495, 210990]

約数ペア:

[(1, 210990), (2, 105495), (3, 70330), (5, 42198), (6, 35165), (10, 21099), (13, 16230), (15, 14066), (26, 8115), (30, 7033), (39, 5410), (65, 3246), (78, 2705), (130, 1623), (195, 1082), (390, 541)]