221462043

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 364953600

約数和(自身を除く): 143491557

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 79, 187, 209, 237, 263, 323, 561, 627, 789, 869, 969, 1343, 1501, 2607, 2893, 3553, 4029, 4471, 4503, 4997, 8679, 10659, 13413, 14773, 14991, 16511, 20777, 25517, 44319, 49181, 49533, 54967, 62331, 76551, 84949, 147543, 164901, 228547, 254847, 280687, 353209, 394763, 685641, 842061, 934439, 1059627, 1184289, 2803317, 3885299, 4342393, 6710971, 11655897, 13027179, 20132913, 73820681, 221462043]

約数ペア:

[(1, 221462043), (3, 73820681), (11, 20132913), (17, 13027179), (19, 11655897), (33, 6710971), (51, 4342393), (57, 3885299), (79, 2803317), (187, 1184289), (209, 1059627), (237, 934439), (263, 842061), (323, 685641), (561, 394763), (627, 353209), (789, 280687), (869, 254847), (969, 228547), (1343, 164901), (1501, 147543), (2607, 84949), (2893, 76551), (3553, 62331), (4029, 54967), (4471, 49533), (4503, 49181), (4997, 44319), (8679, 25517), (10659, 20777), (13413, 16511), (14773, 14991)]