72408531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 109831680

約数和(自身を除く): 37423149

約数列:

[1, 3, 13, 23, 39, 69, 89, 267, 299, 897, 907, 1157, 2047, 2721, 3471, 6141, 11791, 20861, 26611, 35373, 62583, 79833, 80723, 242169, 271193, 813579, 1049399, 1856629, 3148197, 5569887, 24136177, 72408531]

約数ペア:

[(1, 72408531), (3, 24136177), (13, 5569887), (23, 3148197), (39, 1856629), (69, 1049399), (89, 813579), (267, 271193), (299, 242169), (897, 80723), (907, 79833), (1157, 62583), (2047, 35373), (2721, 26611), (3471, 20861), (6141, 11791)]