280395

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 32

約数和(自身を含む): 522240

約数和(自身を除く): 241845

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 67, 93, 135, 155, 201, 279, 335, 465, 603, 837, 1005, 1395, 1809, 2077, 3015, 4185, 6231, 9045, 10385, 18693, 31155, 56079, 93465, 280395]

約数ペア:

[(1, 280395), (3, 93465), (5, 56079), (9, 31155), (15, 18693), (27, 10385), (31, 9045), (45, 6231), (67, 4185), (93, 3015), (135, 2077), (155, 1809), (201, 1395), (279, 1005), (335, 837), (465, 603)]