61561305

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2239}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 117411840

約数和(自身を除く): 55850535

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 195, 235, 423, 585, 611, 705, 1833, 2115, 2239, 3055, 5499, 6717, 9165, 11195, 20151, 27495, 29107, 33585, 87321, 100755, 105233, 145535, 261963, 315699, 436605, 526165, 947097, 1309815, 1368029, 1578495, 4104087, 4735485, 6840145, 12312261, 20520435, 61561305]

約数ペア:

[(1, 61561305), (3, 20520435), (5, 12312261), (9, 6840145), (13, 4735485), (15, 4104087), (39, 1578495), (45, 1368029), (47, 1309815), (65, 947097), (117, 526165), (141, 436605), (195, 315699), (235, 261963), (423, 145535), (585, 105233), (611, 100755), (705, 87321), (1833, 33585), (2115, 29107), (2239, 27495), (3055, 20151), (5499, 11195), (6717, 9165)]