28041153

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 44359680

約数和(自身を除く): 16318527

約数列:

[1, 3, 7, 21, 37, 111, 151, 239, 259, 453, 717, 777, 1057, 1673, 3171, 5019, 5587, 8843, 16761, 26529, 36089, 39109, 61901, 108267, 117327, 185703, 252623, 757869, 1335293, 4005879, 9347051, 28041153]

約数ペア:

[(1, 28041153), (3, 9347051), (7, 4005879), (21, 1335293), (37, 757869), (111, 252623), (151, 185703), (239, 117327), (259, 108267), (453, 61901), (717, 39109), (777, 36089), (1057, 26529), (1673, 16761), (3171, 8843), (5019, 5587)]