201321915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 349747200

約数和(自身を除く): 148425285

約数列:

[1, 3, 5, 15, 29, 43, 47, 87, 129, 141, 145, 215, 229, 235, 435, 645, 687, 705, 1145, 1247, 1363, 2021, 3435, 3741, 4089, 6063, 6235, 6641, 6815, 9847, 10105, 10763, 18705, 19923, 20445, 29541, 30315, 32289, 33205, 49235, 53815, 58609, 99615, 147705, 161445, 175827, 285563, 293045, 312127, 462809, 856689, 879135, 936381, 1388427, 1427815, 1560635, 2314045, 4283445, 4681905, 6942135, 13421461, 40264383, 67107305, 201321915]

約数ペア:

[(1, 201321915), (3, 67107305), (5, 40264383), (15, 13421461), (29, 6942135), (43, 4681905), (47, 4283445), (87, 2314045), (129, 1560635), (141, 1427815), (145, 1388427), (215, 936381), (229, 879135), (235, 856689), (435, 462809), (645, 312127), (687, 293045), (705, 285563), (1145, 175827), (1247, 161445), (1363, 147705), (2021, 99615), (3435, 58609), (3741, 53815), (4089, 49235), (6063, 33205), (6235, 32289), (6641, 30315), (6815, 29541), (9847, 20445), (10105, 19923), (10763, 18705)]