90821871

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1285

約数の個数: 64

約数和(自身を含む): 170035200

約数和(自身を除く): 79213329

約数列:

[1, 3, 7, 9, 17, 21, 23, 27, 51, 63, 69, 119, 153, 161, 189, 207, 357, 391, 459, 483, 621, 1071, 1173, 1229, 1449, 2737, 3213, 3519, 3687, 4347, 8211, 8603, 10557, 11061, 20893, 24633, 25809, 28267, 33183, 62679, 73899, 77427, 84801, 146251, 188037, 197869, 232281, 254403, 438753, 480539, 564111, 593607, 763209, 1316259, 1441617, 1780821, 3363773, 3948777, 4324851, 5342463, 10091319, 12974553, 30273957, 90821871]

約数ペア:

[(1, 90821871), (3, 30273957), (7, 12974553), (9, 10091319), (17, 5342463), (21, 4324851), (23, 3948777), (27, 3363773), (51, 1780821), (63, 1441617), (69, 1316259), (119, 763209), (153, 593607), (161, 564111), (189, 480539), (207, 438753), (357, 254403), (391, 232281), (459, 197869), (483, 188037), (621, 146251), (1071, 84801), (1173, 77427), (1229, 73899), (1449, 62679), (2737, 33183), (3213, 28267), (3519, 25809), (3687, 24633), (4347, 20893), (8211, 11061), (8603, 10557)]