81537165

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3847}}^1$

素因数の和:4018

約数の個数: 32

約数和(自身を含む): 145916160

約数和(自身を除く): 64378995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 1413, 2355, 3847, 4239, 7065, 11541, 19235, 21195, 34623, 57705, 103869, 173115, 519345, 603979, 1811937, 3019895, 5435811, 9059685, 16307433, 27179055, 81537165]

約数ペア:

[(1, 81537165), (3, 27179055), (5, 16307433), (9, 9059685), (15, 5435811), (27, 3019895), (45, 1811937), (135, 603979), (157, 519345), (471, 173115), (785, 103869), (1413, 57705), (2355, 34623), (3847, 21195), (4239, 19235), (7065, 11541)]