66815895

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 110753280

約数和(自身を除く): 43937385

約数列:

[1, 3, 5, 15, 37, 111, 131, 185, 393, 555, 655, 919, 1965, 2757, 4595, 4847, 13785, 14541, 24235, 34003, 72705, 102009, 120389, 170015, 361167, 510045, 601945, 1805835, 4454393, 13363179, 22271965, 66815895]

約数ペア:

[(1, 66815895), (3, 22271965), (5, 13363179), (15, 4454393), (37, 1805835), (111, 601945), (131, 510045), (185, 361167), (393, 170015), (555, 120389), (655, 102009), (919, 72705), (1965, 34003), (2757, 24235), (4595, 14541), (4847, 13785)]