90780573

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1187}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 136515456

約数和(自身を除く): 45734883

約数列:

[1, 3, 13, 37, 39, 53, 111, 159, 481, 689, 1187, 1443, 1961, 2067, 3561, 5883, 15431, 25493, 43919, 46293, 62911, 76479, 131757, 188733, 570947, 817843, 1712841, 2327707, 2453529, 6983121, 30260191, 90780573]

約数ペア:

[(1, 90780573), (3, 30260191), (13, 6983121), (37, 2453529), (39, 2327707), (53, 1712841), (111, 817843), (159, 570947), (481, 188733), (689, 131757), (1187, 76479), (1443, 62911), (1961, 46293), (2067, 43919), (3561, 25493), (5883, 15431)]