83938905

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 151968960

約数和(自身を除く): 68030055

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 131, 145, 261, 393, 435, 491, 655, 1179, 1305, 1473, 1965, 2455, 3799, 4419, 5895, 7365, 11397, 14239, 18995, 22095, 34191, 42717, 56985, 64321, 71195, 128151, 170955, 192963, 213585, 321605, 578889, 640755, 964815, 1865309, 2894445, 5595927, 9326545, 16787781, 27979635, 83938905]

約数ペア:

[(1, 83938905), (3, 27979635), (5, 16787781), (9, 9326545), (15, 5595927), (29, 2894445), (45, 1865309), (87, 964815), (131, 640755), (145, 578889), (261, 321605), (393, 213585), (435, 192963), (491, 170955), (655, 128151), (1179, 71195), (1305, 64321), (1473, 56985), (1965, 42717), (2455, 34191), (3799, 22095), (4419, 18995), (5895, 14239), (7365, 11397)]