31158015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 59744256

約数和(自身を除く): 28586241

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 67, 103, 105, 129, 201, 215, 301, 309, 335, 469, 515, 645, 721, 903, 1005, 1407, 1505, 1545, 2163, 2345, 2881, 3605, 4429, 4515, 6901, 7035, 8643, 10815, 13287, 14405, 20167, 20703, 22145, 31003, 34505, 43215, 48307, 60501, 66435, 93009, 100835, 103515, 144921, 155015, 241535, 296743, 302505, 465045, 724605, 890229, 1483715, 2077201, 4451145, 6231603, 10386005, 31158015]

約数ペア:

[(1, 31158015), (3, 10386005), (5, 6231603), (7, 4451145), (15, 2077201), (21, 1483715), (35, 890229), (43, 724605), (67, 465045), (103, 302505), (105, 296743), (129, 241535), (201, 155015), (215, 144921), (301, 103515), (309, 100835), (335, 93009), (469, 66435), (515, 60501), (645, 48307), (721, 43215), (903, 34505), (1005, 31003), (1407, 22145), (1505, 20703), (1545, 20167), (2163, 14405), (2345, 13287), (2881, 10815), (3605, 8643), (4429, 7035), (4515, 6901)]