1661115

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 2834496

約数和(自身を除く): 1173381

約数列:

[1, 3, 5, 15, 37, 41, 73, 111, 123, 185, 205, 219, 365, 555, 615, 1095, 1517, 2701, 2993, 4551, 7585, 8103, 8979, 13505, 14965, 22755, 40515, 44895, 110741, 332223, 553705, 1661115]

約数ペア:

[(1, 1661115), (3, 553705), (5, 332223), (15, 110741), (37, 44895), (41, 40515), (73, 22755), (111, 14965), (123, 13505), (185, 8979), (205, 8103), (219, 7585), (365, 4551), (555, 2993), (615, 2701), (1095, 1517)]