78764469

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 123156480

約数和(自身を除く): 44392011

約数列:

[1, 3, 7, 21, 59, 151, 177, 413, 421, 453, 1057, 1239, 1263, 2947, 3171, 8841, 8909, 24839, 26727, 62363, 63571, 74517, 173873, 187089, 190713, 444997, 521619, 1334991, 3750689, 11252067, 26254823, 78764469]

約数ペア:

[(1, 78764469), (3, 26254823), (7, 11252067), (21, 3750689), (59, 1334991), (151, 521619), (177, 444997), (413, 190713), (421, 187089), (453, 173873), (1057, 74517), (1239, 63571), (1263, 62363), (2947, 26727), (3171, 24839), (8841, 8909)]