215251155

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{601}}^1$

素因数の和:1001

約数の個数: 64

約数和(自身を含む): 439219200

約数和(自身を除く): 223968045

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 379, 601, 945, 1137, 1803, 1895, 2653, 3005, 3411, 4207, 5409, 5685, 7959, 9015, 10233, 12621, 13265, 16227, 17055, 21035, 23877, 27045, 37863, 39795, 51165, 63105, 71631, 81135, 113589, 119385, 189315, 227779, 358155, 567945, 683337, 1138895, 1594453, 2050011, 3416685, 4783359, 6150033, 7972265, 10250055, 14350077, 23916795, 30750165, 43050231, 71750385, 215251155]

約数ペア:

[(1, 215251155), (3, 71750385), (5, 43050231), (7, 30750165), (9, 23916795), (15, 14350077), (21, 10250055), (27, 7972265), (35, 6150033), (45, 4783359), (63, 3416685), (105, 2050011), (135, 1594453), (189, 1138895), (315, 683337), (379, 567945), (601, 358155), (945, 227779), (1137, 189315), (1803, 119385), (1895, 113589), (2653, 81135), (3005, 71631), (3411, 63105), (4207, 51165), (5409, 39795), (5685, 37863), (7959, 27045), (9015, 23877), (10233, 21035), (12621, 17055), (13265, 16227)]