212618241

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 345384000

約数和(自身を除く): 132765759

約数列:

[1, 3, 9, 11, 33, 59, 89, 99, 177, 267, 409, 531, 649, 801, 979, 1227, 1947, 2937, 3681, 4499, 5251, 5841, 8811, 13497, 15753, 24131, 36401, 40491, 47259, 57761, 72393, 109203, 173283, 217179, 265441, 327609, 400411, 519849, 796323, 1201233, 2147659, 2388969, 3603699, 6442977, 19328931, 23624249, 70872747, 212618241]

約数ペア:

[(1, 212618241), (3, 70872747), (9, 23624249), (11, 19328931), (33, 6442977), (59, 3603699), (89, 2388969), (99, 2147659), (177, 1201233), (267, 796323), (409, 519849), (531, 400411), (649, 327609), (801, 265441), (979, 217179), (1227, 173283), (1947, 109203), (2937, 72393), (3681, 57761), (4499, 47259), (5251, 40491), (5841, 36401), (8811, 24131), (13497, 15753)]