72979785

素因数分解:

$3^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{491}}^1$

素因数の和:875

約数の個数: 40

約数和(自身を含む): 131446656

約数和(自身を除く): 58466871

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 367, 405, 491, 1101, 1473, 1835, 2455, 3303, 4419, 5505, 7365, 9909, 13257, 16515, 22095, 29727, 39771, 49545, 66285, 148635, 180197, 198855, 540591, 900985, 1621773, 2702955, 4865319, 8108865, 14595957, 24326595, 72979785]

約数ペア:

[(1, 72979785), (3, 24326595), (5, 14595957), (9, 8108865), (15, 4865319), (27, 2702955), (45, 1621773), (81, 900985), (135, 540591), (367, 198855), (405, 180197), (491, 148635), (1101, 66285), (1473, 49545), (1835, 39771), (2455, 29727), (3303, 22095), (4419, 16515), (5505, 13257), (7365, 9909)]