1213485

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 2451456

約数和(自身を除く): 1237971

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 127, 147, 195, 245, 273, 381, 455, 635, 637, 735, 889, 1365, 1651, 1905, 1911, 2667, 3185, 4445, 4953, 6223, 8255, 9555, 11557, 13335, 18669, 24765, 31115, 34671, 57785, 80899, 93345, 173355, 242697, 404495, 1213485]

約数ペア:

[(1, 1213485), (3, 404495), (5, 242697), (7, 173355), (13, 93345), (15, 80899), (21, 57785), (35, 34671), (39, 31115), (49, 24765), (65, 18669), (91, 13335), (105, 11557), (127, 9555), (147, 8255), (195, 6223), (245, 4953), (273, 4445), (381, 3185), (455, 2667), (635, 1911), (637, 1905), (735, 1651), (889, 1365)]