245870541

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1327}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 432566784

約数和(自身を除く): 186696243

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 173, 357, 519, 1071, 1211, 1327, 1557, 2941, 3633, 3981, 8823, 9289, 10899, 11943, 20587, 22559, 26469, 27867, 61761, 67677, 83601, 157913, 185283, 203031, 229571, 473739, 688713, 1421217, 1606997, 2066139, 3902707, 4820991, 11708121, 14462973, 27318949, 35124363, 81956847, 245870541]

約数ペア:

[(1, 245870541), (3, 81956847), (7, 35124363), (9, 27318949), (17, 14462973), (21, 11708121), (51, 4820991), (63, 3902707), (119, 2066139), (153, 1606997), (173, 1421217), (357, 688713), (519, 473739), (1071, 229571), (1211, 203031), (1327, 185283), (1557, 157913), (2941, 83601), (3633, 67677), (3981, 61761), (8823, 27867), (9289, 26469), (10899, 22559), (11943, 20587)]