31362331

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 16053989

約数列:

[1, 7, 11, 13, 17, 19, 77, 91, 97, 119, 133, 143, 187, 209, 221, 247, 323, 679, 1001, 1067, 1261, 1309, 1463, 1547, 1649, 1729, 1843, 2261, 2431, 2717, 3553, 4199, 7469, 8827, 11543, 12901, 13871, 17017, 18139, 19019, 20273, 21437, 23959, 24871, 29393, 31331, 46189, 97097, 126973, 141911, 150059, 167713, 219317, 235807, 263549, 323323, 344641, 407303, 1650649, 1844843, 2412487, 2851121, 4480333, 31362331]

約数ペア:

[(1, 31362331), (7, 4480333), (11, 2851121), (13, 2412487), (17, 1844843), (19, 1650649), (77, 407303), (91, 344641), (97, 323323), (119, 263549), (133, 235807), (143, 219317), (187, 167713), (209, 150059), (221, 141911), (247, 126973), (323, 97097), (679, 46189), (1001, 31331), (1067, 29393), (1261, 24871), (1309, 23959), (1463, 21437), (1547, 20273), (1649, 19019), (1729, 18139), (1843, 17017), (2261, 13871), (2431, 12901), (2717, 11543), (3553, 8827), (4199, 7469)]