201257865

素因数分解:

$3^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{761}}^1$

素因数の和:1431

約数の個数: 40

約数和(自身を含む): 361800648

約数和(自身を除く): 160542783

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 653, 761, 1959, 2283, 3265, 3805, 5877, 6849, 9795, 11415, 17631, 20547, 29385, 34245, 52893, 61641, 88155, 102735, 264465, 308205, 496933, 1490799, 2484665, 4472397, 7453995, 13417191, 22361985, 40251573, 67085955, 201257865]

約数ペア:

[(1, 201257865), (3, 67085955), (5, 40251573), (9, 22361985), (15, 13417191), (27, 7453995), (45, 4472397), (81, 2484665), (135, 1490799), (405, 496933), (653, 308205), (761, 264465), (1959, 102735), (2283, 88155), (3265, 61641), (3805, 52893), (5877, 34245), (6849, 29385), (9795, 20547), (11415, 17631)]