395173755

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 747446400

約数和(自身を除く): 352272645

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 409, 421, 459, 765, 1227, 1263, 2045, 2105, 2295, 3681, 3789, 6135, 6315, 6953, 7157, 11043, 11367, 18405, 18945, 20859, 21471, 34765, 35785, 55215, 56835, 62577, 64413, 104295, 107355, 172189, 187731, 193239, 312885, 322065, 516567, 860945, 938655, 966195, 1549701, 2582835, 2927213, 4649103, 7748505, 8781639, 14636065, 23245515, 26344917, 43908195, 79034751, 131724585, 395173755]

約数ペア:

[(1, 395173755), (3, 131724585), (5, 79034751), (9, 43908195), (15, 26344917), (17, 23245515), (27, 14636065), (45, 8781639), (51, 7748505), (85, 4649103), (135, 2927213), (153, 2582835), (255, 1549701), (409, 966195), (421, 938655), (459, 860945), (765, 516567), (1227, 322065), (1263, 312885), (2045, 193239), (2105, 187731), (2295, 172189), (3681, 107355), (3789, 104295), (6135, 64413), (6315, 62577), (6953, 56835), (7157, 55215), (11043, 35785), (11367, 34765), (18405, 21471), (18945, 20859)]