1081575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:69

約数の個数: 72

約数和(自身を含む): 2321280

約数和(自身を除く): 1239705

約数列:

[1, 3, 5, 9, 11, 15, 19, 23, 25, 33, 45, 55, 57, 69, 75, 95, 99, 115, 165, 171, 207, 209, 225, 253, 275, 285, 345, 437, 475, 495, 575, 627, 759, 825, 855, 1035, 1045, 1265, 1311, 1425, 1725, 1881, 2185, 2277, 2475, 3135, 3795, 3933, 4275, 4807, 5175, 5225, 6325, 6555, 9405, 10925, 11385, 14421, 15675, 18975, 19665, 24035, 32775, 43263, 47025, 56925, 72105, 98325, 120175, 216315, 360525, 1081575]

約数ペア:

[(1, 1081575), (3, 360525), (5, 216315), (9, 120175), (11, 98325), (15, 72105), (19, 56925), (23, 47025), (25, 43263), (33, 32775), (45, 24035), (55, 19665), (57, 18975), (69, 15675), (75, 14421), (95, 11385), (99, 10925), (115, 9405), (165, 6555), (171, 6325), (207, 5225), (209, 5175), (225, 4807), (253, 4275), (275, 3933), (285, 3795), (345, 3135), (437, 2475), (475, 2277), (495, 2185), (575, 1881), (627, 1725), (759, 1425), (825, 1311), (855, 1265), (1035, 1045)]