72990709

素因数分解:

${\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 87137280

約数和(自身を除く): 14146571

約数列:

[1, 11, 29, 31, 61, 121, 319, 341, 671, 899, 1331, 1769, 1891, 3509, 3751, 7381, 9889, 19459, 20801, 38599, 41261, 54839, 81191, 108779, 214049, 228811, 603229, 1196569, 2354539, 2516921, 6635519, 72990709]

約数ペア:

[(1, 72990709), (11, 6635519), (29, 2516921), (31, 2354539), (61, 1196569), (121, 603229), (319, 228811), (341, 214049), (671, 108779), (899, 81191), (1331, 54839), (1769, 41261), (1891, 38599), (3509, 20801), (3751, 19459), (7381, 9889)]