203959119

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 347648000

約数和(自身を除く): 143688881

約数列:

[1, 3, 7, 13, 21, 39, 49, 79, 91, 147, 193, 237, 273, 343, 553, 579, 637, 1027, 1029, 1351, 1659, 1911, 2509, 3081, 3871, 4053, 4459, 7189, 7527, 9457, 11613, 13377, 15247, 17563, 21567, 27097, 28371, 45741, 50323, 52689, 66199, 81291, 106729, 122941, 150969, 198211, 198597, 320187, 352261, 368823, 594633, 747103, 860587, 1056783, 1387477, 2241309, 2581761, 4162431, 5229721, 9712339, 15689163, 29137017, 67986373, 203959119]

約数ペア:

[(1, 203959119), (3, 67986373), (7, 29137017), (13, 15689163), (21, 9712339), (39, 5229721), (49, 4162431), (79, 2581761), (91, 2241309), (147, 1387477), (193, 1056783), (237, 860587), (273, 747103), (343, 594633), (553, 368823), (579, 352261), (637, 320187), (1027, 198597), (1029, 198211), (1351, 150969), (1659, 122941), (1911, 106729), (2509, 81291), (3081, 66199), (3871, 52689), (4053, 50323), (4459, 45741), (7189, 28371), (7527, 27097), (9457, 21567), (11613, 17563), (13377, 15247)]