64642725

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{13681}}^1$

素因数の和:13707

約数の個数: 48

約数和(自身を含む): 135725440

約数和(自身を除く): 71082715

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725, 13681, 41043, 68405, 95767, 123129, 205215, 287301, 342025, 369387, 478835, 615645, 861903, 1026075, 1436505, 1846935, 2394175, 2585709, 3078225, 4309515, 7182525, 9234675, 12928545, 21547575, 64642725]

約数ペア:

[(1, 64642725), (3, 21547575), (5, 12928545), (7, 9234675), (9, 7182525), (15, 4309515), (21, 3078225), (25, 2585709), (27, 2394175), (35, 1846935), (45, 1436505), (63, 1026075), (75, 861903), (105, 615645), (135, 478835), (175, 369387), (189, 342025), (225, 287301), (315, 205215), (525, 123129), (675, 95767), (945, 68405), (1575, 41043), (4725, 13681)]