220136427

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 393984000

約数和(自身を除く): 173847573

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 89, 161, 189, 207, 267, 483, 569, 621, 623, 801, 1449, 1707, 1869, 2047, 2403, 3983, 4347, 5121, 5607, 6141, 11949, 13087, 14329, 15363, 16821, 18423, 35847, 39261, 42987, 50641, 55269, 91609, 107541, 117783, 128961, 151923, 274827, 353349, 354487, 386883, 455769, 824481, 1063461, 1164743, 1367307, 2473443, 3190383, 3494229, 8153201, 9571149, 10482687, 24459603, 31448061, 73378809, 220136427]

約数ペア:

[(1, 220136427), (3, 73378809), (7, 31448061), (9, 24459603), (21, 10482687), (23, 9571149), (27, 8153201), (63, 3494229), (69, 3190383), (89, 2473443), (161, 1367307), (189, 1164743), (207, 1063461), (267, 824481), (483, 455769), (569, 386883), (621, 354487), (623, 353349), (801, 274827), (1449, 151923), (1707, 128961), (1869, 117783), (2047, 107541), (2403, 91609), (3983, 55269), (4347, 50641), (5121, 42987), (5607, 39261), (6141, 35847), (11949, 18423), (13087, 16821), (14329, 15363)]