30918867

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 17603373

約数列:

[1, 3, 7, 21, 71, 89, 213, 233, 267, 497, 623, 699, 1491, 1631, 1869, 4893, 6319, 16543, 18957, 20737, 44233, 49629, 62211, 115801, 132699, 145159, 347403, 435477, 1472327, 4416981, 10306289, 30918867]

約数ペア:

[(1, 30918867), (3, 10306289), (7, 4416981), (21, 1472327), (71, 435477), (89, 347403), (213, 145159), (233, 132699), (267, 115801), (497, 62211), (623, 49629), (699, 44233), (1491, 20737), (1631, 18957), (1869, 16543), (4893, 6319)]