78021489

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1259}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 128701440

約数和(自身を除く): 50679951

約数列:

[1, 3, 7, 13, 21, 39, 91, 227, 273, 681, 1259, 1589, 2951, 3777, 4767, 8813, 8853, 16367, 20657, 26439, 49101, 61971, 114569, 285793, 343707, 857379, 2000551, 3715309, 6001653, 11145927, 26007163, 78021489]

約数ペア:

[(1, 78021489), (3, 26007163), (7, 11145927), (13, 6001653), (21, 3715309), (39, 2000551), (91, 857379), (227, 343707), (273, 285793), (681, 114569), (1259, 61971), (1589, 49101), (2951, 26439), (3777, 20657), (4767, 16367), (8813, 8853)]