64131345

素因数分解:

$3^5\times 5^1\times {\mathrm{52783}}^1$

素因数の和:52803

約数の個数: 24

約数和(自身を含む): 115280256

約数和(自身を除く): 51148911

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 52783, 158349, 263915, 475047, 791745, 1425141, 2375235, 4275423, 7125705, 12826269, 21377115, 64131345]

約数ペア:

[(1, 64131345), (3, 21377115), (5, 12826269), (9, 7125705), (15, 4275423), (27, 2375235), (45, 1425141), (81, 791745), (135, 475047), (243, 263915), (405, 158349), (1215, 52783)]