71575491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 110134080

約数和(自身を除く): 38558589

約数列:

[1, 3, 13, 17, 39, 51, 89, 221, 267, 663, 1157, 1213, 1513, 3471, 3639, 4539, 15769, 19669, 20621, 47307, 59007, 61863, 107957, 268073, 323871, 804219, 1403441, 1835269, 4210323, 5505807, 23858497, 71575491]

約数ペア:

[(1, 71575491), (3, 23858497), (13, 5505807), (17, 4210323), (39, 1835269), (51, 1403441), (89, 804219), (221, 323871), (267, 268073), (663, 107957), (1157, 61863), (1213, 59007), (1513, 47307), (3471, 20621), (3639, 19669), (4539, 15769)]