47748705

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 78798720

約数和(自身を除く): 31050015

約数列:

[1, 3, 5, 15, 43, 129, 181, 215, 409, 543, 645, 905, 1227, 2045, 2715, 6135, 7783, 17587, 23349, 38915, 52761, 74029, 87935, 116745, 222087, 263805, 370145, 1110435, 3183247, 9549741, 15916235, 47748705]

約数ペア:

[(1, 47748705), (3, 15916235), (5, 9549741), (15, 3183247), (43, 1110435), (129, 370145), (181, 263805), (215, 222087), (409, 116745), (543, 87935), (645, 74029), (905, 52761), (1227, 38915), (2045, 23349), (2715, 17587), (6135, 7783)]