207978075

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{40189}}^1$

素因数の和:40228

約数の個数: 36

約数和(自身を含む): 388717680

約数和(自身を除く): 180739605

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 40189, 120567, 200945, 361701, 602835, 924347, 1004725, 1808505, 2773041, 3014175, 4621735, 8319123, 9042525, 13865205, 23108675, 41595615, 69326025, 207978075]

約数ペア:

[(1, 207978075), (3, 69326025), (5, 41595615), (9, 23108675), (15, 13865205), (23, 9042525), (25, 8319123), (45, 4621735), (69, 3014175), (75, 2773041), (115, 1808505), (207, 1004725), (225, 924347), (345, 602835), (575, 361701), (1035, 200945), (1725, 120567), (5175, 40189)]