1999367415

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{242789}}^1$

素因数の和:242864

約数の個数: 32

約数和(自身を含む): 3612715200

約数和(自身を除く): 1613347785

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 242789, 728367, 1213945, 2185101, 3641835, 6555303, 10925505, 14810129, 32776515, 44430387, 74050645, 133291161, 222151935, 399873483, 666455805, 1999367415]

約数ペア:

[(1, 1999367415), (3, 666455805), (5, 399873483), (9, 222151935), (15, 133291161), (27, 74050645), (45, 44430387), (61, 32776515), (135, 14810129), (183, 10925505), (305, 6555303), (549, 3641835), (915, 2185101), (1647, 1213945), (2745, 728367), (8235, 242789)]