2850255

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 5195520

約数和(自身を除く): 2345265

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 491, 645, 1161, 1473, 1935, 2455, 4419, 5805, 7365, 13257, 21113, 22095, 63339, 66285, 105565, 190017, 316695, 570051, 950085, 2850255]

約数ペア:

[(1, 2850255), (3, 950085), (5, 570051), (9, 316695), (15, 190017), (27, 105565), (43, 66285), (45, 63339), (129, 22095), (135, 21113), (215, 13257), (387, 7365), (491, 5805), (645, 4419), (1161, 2455), (1473, 1935)]