221526075

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1296

約数の個数: 48

約数和(自身を含む): 381663072

約数和(自身を除く): 160136997

約数列:

[1, 3, 5, 15, 25, 41, 61, 75, 123, 183, 205, 305, 615, 915, 1025, 1181, 1525, 2501, 3075, 3543, 4575, 5905, 7503, 12505, 17715, 29525, 37515, 48421, 62525, 72041, 88575, 145263, 187575, 216123, 242105, 360205, 726315, 1080615, 1210525, 1801025, 2953681, 3631575, 5403075, 8861043, 14768405, 44305215, 73842025, 221526075]

約数ペア:

[(1, 221526075), (3, 73842025), (5, 44305215), (15, 14768405), (25, 8861043), (41, 5403075), (61, 3631575), (75, 2953681), (123, 1801025), (183, 1210525), (205, 1080615), (305, 726315), (615, 360205), (915, 242105), (1025, 216123), (1181, 187575), (1525, 145263), (2501, 88575), (3075, 72041), (3543, 62525), (4575, 48421), (5905, 37515), (7503, 29525), (12505, 17715)]