221471427

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 321926400

約数和(自身を除く): 100454973

約数列:

[1, 3, 17, 51, 59, 89, 177, 267, 827, 1003, 1513, 2481, 3009, 4539, 5251, 14059, 15753, 42177, 48793, 73603, 89267, 146379, 220809, 267801, 829481, 1251251, 2488443, 3753753, 4342577, 13027731, 73823809, 221471427]

約数ペア:

[(1, 221471427), (3, 73823809), (17, 13027731), (51, 4342577), (59, 3753753), (89, 2488443), (177, 1251251), (267, 829481), (827, 267801), (1003, 220809), (1513, 146379), (2481, 89267), (3009, 73603), (4539, 48793), (5251, 42177), (14059, 15753)]