28117065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 48335616

約数和(自身を除く): 20218551

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1207, 1553, 3621, 4659, 6035, 7765, 18105, 23295, 26401, 79203, 110263, 132005, 330789, 396015, 551315, 1653945, 1874471, 5623413, 9372355, 28117065]

約数ペア:

[(1, 28117065), (3, 9372355), (5, 5623413), (15, 1874471), (17, 1653945), (51, 551315), (71, 396015), (85, 330789), (213, 132005), (255, 110263), (355, 79203), (1065, 26401), (1207, 23295), (1553, 18105), (3621, 7765), (4659, 6035)]