80925525

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{21157}}^1$

素因数の和:21190

約数の個数: 36

約数和(自身を含む): 153480132

約数和(自身を除く): 72554607

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 21157, 63471, 105785, 190413, 317355, 359669, 528925, 952065, 1079007, 1586775, 1798345, 3237021, 4760325, 5395035, 8991725, 16185105, 26975175, 80925525]

約数ペア:

[(1, 80925525), (3, 26975175), (5, 16185105), (9, 8991725), (15, 5395035), (17, 4760325), (25, 3237021), (45, 1798345), (51, 1586775), (75, 1079007), (85, 952065), (153, 528925), (225, 359669), (255, 317355), (425, 190413), (765, 105785), (1275, 63471), (3825, 21157)]