31252923

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 51455040

約数和(自身を除く): 20202117

約数列:

[1, 3, 9, 13, 29, 39, 61, 87, 117, 151, 183, 261, 377, 453, 549, 793, 1131, 1359, 1769, 1963, 2379, 3393, 4379, 5307, 5889, 7137, 9211, 13137, 15921, 17667, 22997, 27633, 39411, 56927, 68991, 82899, 119743, 170781, 206973, 267119, 359229, 512343, 801357, 1077687, 2404071, 3472547, 10417641, 31252923]

約数ペア:

[(1, 31252923), (3, 10417641), (9, 3472547), (13, 2404071), (29, 1077687), (39, 801357), (61, 512343), (87, 359229), (117, 267119), (151, 206973), (183, 170781), (261, 119743), (377, 82899), (453, 68991), (549, 56927), (793, 39411), (1131, 27633), (1359, 22997), (1769, 17667), (1963, 15921), (2379, 13137), (3393, 9211), (4379, 7137), (5307, 5889)]