79131213

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 135408000

約数和(自身を除く): 56276787

約数列:

[1, 3, 7, 9, 21, 59, 61, 63, 177, 183, 349, 413, 427, 531, 549, 1047, 1239, 1281, 2443, 3141, 3599, 3717, 3843, 7329, 10797, 20591, 21289, 21987, 25193, 32391, 61773, 63867, 75579, 144137, 149023, 185319, 191601, 226737, 432411, 447069, 1256051, 1297233, 1341207, 3768153, 8792357, 11304459, 26377071, 79131213]

約数ペア:

[(1, 79131213), (3, 26377071), (7, 11304459), (9, 8792357), (21, 3768153), (59, 1341207), (61, 1297233), (63, 1256051), (177, 447069), (183, 432411), (349, 226737), (413, 191601), (427, 185319), (531, 149023), (549, 144137), (1047, 75579), (1239, 63867), (1281, 61773), (2443, 32391), (3141, 25193), (3599, 21987), (3717, 21289), (3843, 20591), (7329, 10797)]