81796635

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1453}}^1$

素因数の和:1609

約数の個数: 40

約数和(自身を含む): 147784560

約数和(自身を除く): 65987925

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 405, 417, 695, 1251, 1453, 2085, 3753, 4359, 6255, 7265, 11259, 13077, 18765, 21795, 39231, 56295, 65385, 117693, 196155, 201967, 588465, 605901, 1009835, 1817703, 3029505, 5453109, 9088515, 16359327, 27265545, 81796635]

約数ペア:

[(1, 81796635), (3, 27265545), (5, 16359327), (9, 9088515), (15, 5453109), (27, 3029505), (45, 1817703), (81, 1009835), (135, 605901), (139, 588465), (405, 201967), (417, 196155), (695, 117693), (1251, 65385), (1453, 56295), (2085, 39231), (3753, 21795), (4359, 18765), (6255, 13077), (7265, 11259)]