28489155

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 47443968

約数和(自身を除く): 18954813

約数列:

[1, 3, 5, 15, 31, 93, 155, 197, 311, 465, 591, 933, 985, 1555, 2955, 4665, 6107, 9641, 18321, 28923, 30535, 48205, 61267, 91605, 144615, 183801, 306335, 919005, 1899277, 5697831, 9496385, 28489155]

約数ペア:

[(1, 28489155), (3, 9496385), (5, 5697831), (15, 1899277), (31, 919005), (93, 306335), (155, 183801), (197, 144615), (311, 91605), (465, 61267), (591, 48205), (933, 30535), (985, 28923), (1555, 18321), (2955, 9641), (4665, 6107)]