38388519

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 63244800

約数和(自身を除く): 24856281

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 169, 179, 351, 423, 507, 537, 611, 1269, 1521, 1611, 1833, 2327, 4563, 4833, 5499, 6981, 7943, 8413, 16497, 20943, 23829, 25239, 30251, 62829, 71487, 75717, 90753, 109369, 214461, 227151, 272259, 328107, 816777, 984321, 1421797, 2952963, 4265391, 12796173, 38388519]

約数ペア:

[(1, 38388519), (3, 12796173), (9, 4265391), (13, 2952963), (27, 1421797), (39, 984321), (47, 816777), (117, 328107), (141, 272259), (169, 227151), (179, 214461), (351, 109369), (423, 90753), (507, 75717), (537, 71487), (611, 62829), (1269, 30251), (1521, 25239), (1611, 23829), (1833, 20943), (2327, 16497), (4563, 8413), (4833, 7943), (5499, 6981)]