31449825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 62558496

約数和(自身を除く): 31108671

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 97, 99, 131, 165, 225, 275, 291, 393, 485, 495, 655, 825, 873, 1067, 1179, 1441, 1455, 1965, 2425, 2475, 3201, 3275, 4323, 4365, 5335, 5895, 7205, 7275, 9603, 9825, 12707, 12969, 16005, 21615, 21825, 26675, 29475, 36025, 38121, 48015, 63535, 64845, 80025, 108075, 114363, 139777, 190605, 240075, 317675, 324225, 419331, 571815, 698885, 953025, 1257993, 2096655, 2859075, 3494425, 6289965, 10483275, 31449825]

約数ペア:

[(1, 31449825), (3, 10483275), (5, 6289965), (9, 3494425), (11, 2859075), (15, 2096655), (25, 1257993), (33, 953025), (45, 698885), (55, 571815), (75, 419331), (97, 324225), (99, 317675), (131, 240075), (165, 190605), (225, 139777), (275, 114363), (291, 108075), (393, 80025), (485, 64845), (495, 63535), (655, 48015), (825, 38121), (873, 36025), (1067, 29475), (1179, 26675), (1441, 21825), (1455, 21615), (1965, 16005), (2425, 12969), (2475, 12707), (3201, 9825), (3275, 9603), (4323, 7275), (4365, 7205), (5335, 5895)]