105561990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{27277}}^1$

素因数の和:27333

約数の個数: 48

約数和(自身を含む): 280854288

約数和(自身を除く): 175292298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 27277, 54554, 81831, 136385, 163662, 245493, 272770, 409155, 490986, 818310, 1172911, 1227465, 2345822, 2454930, 3518733, 5864555, 7037466, 10556199, 11729110, 17593665, 21112398, 35187330, 52780995, 105561990]

約数ペア:

[(1, 105561990), (2, 52780995), (3, 35187330), (5, 21112398), (6, 17593665), (9, 11729110), (10, 10556199), (15, 7037466), (18, 5864555), (30, 3518733), (43, 2454930), (45, 2345822), (86, 1227465), (90, 1172911), (129, 818310), (215, 490986), (258, 409155), (387, 272770), (430, 245493), (645, 163662), (774, 136385), (1290, 81831), (1935, 54554), (3870, 27277)]