71979075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2033

約数の個数: 72

約数和(自身を含む): 153823488

約数和(自身を除く): 81844413

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 35, 45, 63, 69, 75, 105, 115, 161, 175, 207, 225, 315, 345, 483, 525, 575, 805, 1035, 1449, 1575, 1725, 1987, 2415, 4025, 5175, 5961, 7245, 9935, 12075, 13909, 17883, 29805, 36225, 41727, 45701, 49675, 69545, 89415, 125181, 137103, 149025, 208635, 228505, 319907, 347725, 411309, 447075, 625905, 685515, 959721, 1043175, 1142525, 1599535, 2056545, 2879163, 3129525, 3427575, 4798605, 7997675, 10282725, 14395815, 23993025, 71979075]

約数ペア:

[(1, 71979075), (3, 23993025), (5, 14395815), (7, 10282725), (9, 7997675), (15, 4798605), (21, 3427575), (23, 3129525), (25, 2879163), (35, 2056545), (45, 1599535), (63, 1142525), (69, 1043175), (75, 959721), (105, 685515), (115, 625905), (161, 447075), (175, 411309), (207, 347725), (225, 319907), (315, 228505), (345, 208635), (483, 149025), (525, 137103), (575, 125181), (805, 89415), (1035, 69545), (1449, 49675), (1575, 45701), (1725, 41727), (1987, 36225), (2415, 29805), (4025, 17883), (5175, 13909), (5961, 12075), (7245, 9935)]