84721105

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 119328768

約数和(自身を除く): 34607663

約数列:

[1, 5, 7, 35, 71, 103, 331, 355, 497, 515, 721, 1655, 2317, 2485, 3605, 7313, 11585, 23501, 34093, 36565, 51191, 117505, 164507, 170465, 238651, 255955, 822535, 1193255, 2420603, 12103015, 16944221, 84721105]

約数ペア:

[(1, 84721105), (5, 16944221), (7, 12103015), (35, 2420603), (71, 1193255), (103, 822535), (331, 255955), (355, 238651), (497, 170465), (515, 164507), (721, 117505), (1655, 51191), (2317, 36565), (2485, 34093), (3605, 23501), (7313, 11585)]