2163915

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 4219488

約数和(自身を除く): 2055573

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 137, 195, 243, 351, 405, 411, 585, 685, 1053, 1215, 1233, 1755, 1781, 2055, 3159, 3699, 5265, 5343, 6165, 8905, 11097, 15795, 16029, 18495, 26715, 33291, 48087, 55485, 80145, 144261, 166455, 240435, 432783, 721305, 2163915]

約数ペア:

[(1, 2163915), (3, 721305), (5, 432783), (9, 240435), (13, 166455), (15, 144261), (27, 80145), (39, 55485), (45, 48087), (65, 33291), (81, 26715), (117, 18495), (135, 16029), (137, 15795), (195, 11097), (243, 8905), (351, 6165), (405, 5343), (411, 5265), (585, 3699), (685, 3159), (1053, 2055), (1215, 1781), (1233, 1755)]