1219365

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{79}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 2496000

約数和(自身を除く): 1276635

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 79, 105, 147, 237, 245, 315, 343, 395, 441, 553, 711, 735, 1029, 1185, 1659, 1715, 2205, 2765, 3087, 3555, 3871, 4977, 5145, 8295, 11613, 15435, 19355, 24885, 27097, 34839, 58065, 81291, 135485, 174195, 243873, 406455, 1219365]

約数ペア:

[(1, 1219365), (3, 406455), (5, 243873), (7, 174195), (9, 135485), (15, 81291), (21, 58065), (35, 34839), (45, 27097), (49, 24885), (63, 19355), (79, 15435), (105, 11613), (147, 8295), (237, 5145), (245, 4977), (315, 3871), (343, 3555), (395, 3087), (441, 2765), (553, 2205), (711, 1715), (735, 1659), (1029, 1185)]