17981607

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 29122560

約数和(自身を除く): 11140953

約数列:

[1, 3, 7, 21, 23, 59, 69, 161, 177, 413, 483, 631, 1239, 1357, 1893, 4071, 4417, 9499, 13251, 14513, 28497, 37229, 43539, 101591, 111687, 260603, 304773, 781809, 856267, 2568801, 5993869, 17981607]

約数ペア:

[(1, 17981607), (3, 5993869), (7, 2568801), (21, 856267), (23, 781809), (59, 304773), (69, 260603), (161, 111687), (177, 101591), (413, 43539), (483, 37229), (631, 28497), (1239, 14513), (1357, 13251), (1893, 9499), (4071, 4417)]