153889239

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2437}}^1$

素因数の和:2575

約数の個数: 32

約数和(自身を含む): 244658176

約数和(自身を除く): 90768937

約数列:

[1, 3, 7, 21, 31, 93, 97, 217, 291, 651, 679, 2037, 2437, 3007, 7311, 9021, 17059, 21049, 51177, 63147, 75547, 226641, 236389, 528829, 709167, 1586487, 1654723, 4964169, 7328059, 21984177, 51296413, 153889239]

約数ペア:

[(1, 153889239), (3, 51296413), (7, 21984177), (21, 7328059), (31, 4964169), (93, 1654723), (97, 1586487), (217, 709167), (291, 528829), (651, 236389), (679, 226641), (2037, 75547), (2437, 63147), (3007, 51177), (7311, 21049), (9021, 17059)]