28689375

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 56681856

約数和(自身を除く): 27992481

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 107, 125, 143, 165, 195, 275, 321, 325, 375, 429, 535, 625, 715, 825, 975, 1177, 1375, 1391, 1605, 1625, 1875, 2145, 2675, 3531, 3575, 4125, 4173, 4875, 5885, 6875, 6955, 8025, 8125, 10725, 13375, 15301, 17655, 17875, 20625, 20865, 24375, 29425, 34775, 40125, 45903, 53625, 66875, 76505, 88275, 89375, 104325, 147125, 173875, 200625, 229515, 268125, 382525, 441375, 521625, 735625, 869375, 1147575, 1912625, 2206875, 2608125, 5737875, 9563125, 28689375]

約数ペア:

[(1, 28689375), (3, 9563125), (5, 5737875), (11, 2608125), (13, 2206875), (15, 1912625), (25, 1147575), (33, 869375), (39, 735625), (55, 521625), (65, 441375), (75, 382525), (107, 268125), (125, 229515), (143, 200625), (165, 173875), (195, 147125), (275, 104325), (321, 89375), (325, 88275), (375, 76505), (429, 66875), (535, 53625), (625, 45903), (715, 40125), (825, 34775), (975, 29425), (1177, 24375), (1375, 20865), (1391, 20625), (1605, 17875), (1625, 17655), (1875, 15301), (2145, 13375), (2675, 10725), (3531, 8125), (3575, 8025), (4125, 6955), (4173, 6875), (4875, 5885)]