215884053

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 399499776

約数和(自身を除く): 183615723

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 191, 231, 233, 441, 539, 573, 693, 699, 1337, 1617, 1631, 1719, 2097, 2101, 2563, 4011, 4851, 4893, 6303, 7689, 9359, 11417, 12033, 14679, 14707, 17941, 18909, 23067, 28077, 34251, 44121, 44503, 53823, 84231, 102753, 102949, 125587, 132363, 133509, 161469, 308847, 311521, 376761, 400527, 489533, 926541, 934563, 1130283, 1468599, 2180647, 2803689, 3426731, 4405797, 6541941, 10280193, 19625823, 23987117, 30840579, 71961351, 215884053]

約数ペア:

[(1, 215884053), (3, 71961351), (7, 30840579), (9, 23987117), (11, 19625823), (21, 10280193), (33, 6541941), (49, 4405797), (63, 3426731), (77, 2803689), (99, 2180647), (147, 1468599), (191, 1130283), (231, 934563), (233, 926541), (441, 489533), (539, 400527), (573, 376761), (693, 311521), (699, 308847), (1337, 161469), (1617, 133509), (1631, 132363), (1719, 125587), (2097, 102949), (2101, 102753), (2563, 84231), (4011, 53823), (4851, 44503), (4893, 44121), (6303, 34251), (7689, 28077), (9359, 23067), (11417, 18909), (12033, 17941), (14679, 14707)]