221729145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 411816960

約数和(自身を除く): 190087815

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 107, 165, 209, 285, 321, 535, 627, 661, 1045, 1177, 1605, 1983, 2033, 3135, 3305, 3531, 5885, 6099, 7271, 9915, 10165, 12559, 17655, 21813, 22363, 30495, 36355, 37677, 62795, 67089, 70727, 109065, 111815, 138149, 188385, 212181, 335445, 353635, 414447, 690745, 777997, 1060905, 1343813, 2072235, 2333991, 3889985, 4031439, 6719065, 11669955, 14781943, 20157195, 44345829, 73909715, 221729145]

約数ペア:

[(1, 221729145), (3, 73909715), (5, 44345829), (11, 20157195), (15, 14781943), (19, 11669955), (33, 6719065), (55, 4031439), (57, 3889985), (95, 2333991), (107, 2072235), (165, 1343813), (209, 1060905), (285, 777997), (321, 690745), (535, 414447), (627, 353635), (661, 335445), (1045, 212181), (1177, 188385), (1605, 138149), (1983, 111815), (2033, 109065), (3135, 70727), (3305, 67089), (3531, 62795), (5885, 37677), (6099, 36355), (7271, 30495), (9915, 22363), (10165, 21813), (12559, 17655)]