491465265

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{38501}}^1$

素因数の和:38569

約数の個数: 32

約数和(自身を含む): 842731776

約数和(自身を除く): 351266511

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12765, 38501, 115503, 192505, 577515, 885523, 1424537, 2656569, 4273611, 4427615, 7122685, 13282845, 21368055, 32764351, 98293053, 163821755, 491465265]

約数ペア:

[(1, 491465265), (3, 163821755), (5, 98293053), (15, 32764351), (23, 21368055), (37, 13282845), (69, 7122685), (111, 4427615), (115, 4273611), (185, 2656569), (345, 1424537), (555, 885523), (851, 577515), (2553, 192505), (4255, 115503), (12765, 38501)]