91445991

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2557}}^1$

素因数の和:2711

約数の個数: 32

約数和(自身を含む): 151269888

約数和(自身を除く): 59823897

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 393, 917, 1703, 2557, 2751, 5109, 7671, 11921, 17899, 33241, 35763, 53697, 99723, 232687, 334967, 698061, 1004901, 2344769, 4354571, 7034307, 13063713, 30481997, 91445991]

約数ペア:

[(1, 91445991), (3, 30481997), (7, 13063713), (13, 7034307), (21, 4354571), (39, 2344769), (91, 1004901), (131, 698061), (273, 334967), (393, 232687), (917, 99723), (1703, 53697), (2557, 35763), (2751, 33241), (5109, 17899), (7671, 11921)]