391267995

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{2207}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 640991232

約数和(自身を除く): 249723237

約数列:

[1, 3, 5, 15, 53, 159, 223, 265, 669, 795, 1115, 2207, 3345, 6621, 11035, 11819, 33105, 35457, 59095, 116971, 177285, 350913, 492161, 584855, 1476483, 1754565, 2460805, 7382415, 26084533, 78253599, 130422665, 391267995]

約数ペア:

[(1, 391267995), (3, 130422665), (5, 78253599), (15, 26084533), (53, 7382415), (159, 2460805), (223, 1754565), (265, 1476483), (669, 584855), (795, 492161), (1115, 350913), (2207, 177285), (3345, 116971), (6621, 59095), (11035, 35457), (11819, 33105)]