31571835

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 52005888

約数和(自身を除く): 20434053

約数列:

[1, 3, 5, 15, 53, 151, 159, 263, 265, 453, 755, 789, 795, 1315, 2265, 3945, 8003, 13939, 24009, 39713, 40015, 41817, 69695, 119139, 120045, 198565, 209085, 595695, 2104789, 6314367, 10523945, 31571835]

約数ペア:

[(1, 31571835), (3, 10523945), (5, 6314367), (15, 2104789), (53, 595695), (151, 209085), (159, 198565), (263, 120045), (265, 119139), (453, 69695), (755, 41817), (789, 40015), (795, 39713), (1315, 24009), (2265, 13939), (3945, 8003)]