172131345

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9173}}^1$

素因数の和:9326

約数の個数: 32

約数和(自身を含む): 308246400

約数和(自身を除く): 136115055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1251, 2085, 3753, 6255, 9173, 18765, 27519, 45865, 82557, 137595, 247671, 412785, 1238355, 1275047, 3825141, 6375235, 11475423, 19125705, 34426269, 57377115, 172131345]

約数ペア:

[(1, 172131345), (3, 57377115), (5, 34426269), (9, 19125705), (15, 11475423), (27, 6375235), (45, 3825141), (135, 1275047), (139, 1238355), (417, 412785), (695, 247671), (1251, 137595), (2085, 82557), (3753, 45865), (6255, 27519), (9173, 18765)]