648414561

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 951709824

約数和(自身を除く): 303295263

約数列:

[1, 3, 17, 51, 53, 103, 137, 159, 289, 309, 411, 867, 901, 1751, 2329, 2703, 5253, 5459, 6987, 7261, 14111, 15317, 16377, 21783, 29767, 39593, 42333, 45951, 89301, 92803, 118779, 123437, 239887, 278409, 370311, 719661, 747883, 1577651, 2098429, 2243649, 4078079, 4732953, 6295287, 12234237, 12714011, 38142033, 216138187, 648414561]

約数ペア:

[(1, 648414561), (3, 216138187), (17, 38142033), (51, 12714011), (53, 12234237), (103, 6295287), (137, 4732953), (159, 4078079), (289, 2243649), (309, 2098429), (411, 1577651), (867, 747883), (901, 719661), (1751, 370311), (2329, 278409), (2703, 239887), (5253, 123437), (5459, 118779), (6987, 92803), (7261, 89301), (14111, 45951), (15317, 42333), (16377, 39593), (21783, 29767)]