28153155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 47773440

約数和(自身を除く): 19620285

約数列:

[1, 3, 5, 15, 19, 57, 95, 173, 285, 519, 571, 865, 1713, 2595, 2855, 3287, 8565, 9861, 10849, 16435, 32547, 49305, 54245, 98783, 162735, 296349, 493915, 1481745, 1876877, 5630631, 9384385, 28153155]

約数ペア:

[(1, 28153155), (3, 9384385), (5, 5630631), (15, 1876877), (19, 1481745), (57, 493915), (95, 296349), (173, 162735), (285, 98783), (519, 54245), (571, 49305), (865, 32547), (1713, 16435), (2595, 10849), (2855, 9861), (3287, 8565)]