81303345

素因数分解:

$3^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{547}}^1$

素因数の和:931

約数の個数: 40

約数和(自身を含む): 146408064

約数和(自身を除く): 65104719

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 367, 405, 547, 1101, 1641, 1835, 2735, 3303, 4923, 5505, 8205, 9909, 14769, 16515, 24615, 29727, 44307, 49545, 73845, 148635, 200749, 221535, 602247, 1003745, 1806741, 3011235, 5420223, 9033705, 16260669, 27101115, 81303345]

約数ペア:

[(1, 81303345), (3, 27101115), (5, 16260669), (9, 9033705), (15, 5420223), (27, 3011235), (45, 1806741), (81, 1003745), (135, 602247), (367, 221535), (405, 200749), (547, 148635), (1101, 73845), (1641, 49545), (1835, 44307), (2735, 29727), (3303, 24615), (4923, 16515), (5505, 14769), (8205, 9909)]