16996455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 17148825

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 237, 315, 395, 553, 683, 711, 1185, 1659, 2049, 2765, 3415, 3555, 4781, 4977, 6147, 8295, 10245, 14343, 23905, 24885, 30735, 43029, 53957, 71715, 161871, 215145, 269785, 377699, 485613, 809355, 1133097, 1888495, 2428065, 3399291, 5665485, 16996455]

約数ペア:

[(1, 16996455), (3, 5665485), (5, 3399291), (7, 2428065), (9, 1888495), (15, 1133097), (21, 809355), (35, 485613), (45, 377699), (63, 269785), (79, 215145), (105, 161871), (237, 71715), (315, 53957), (395, 43029), (553, 30735), (683, 24885), (711, 23905), (1185, 14343), (1659, 10245), (2049, 8295), (2765, 6147), (3415, 4977), (3555, 4781)]