138885165

素因数分解:

$3^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1847}}^1$

素因数の和:2418

約数の個数: 32

約数和(自身を含む): 247484160

約数和(自身を除く): 108598995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 557, 1671, 1847, 2785, 5013, 5541, 8355, 9235, 15039, 16623, 25065, 27705, 49869, 75195, 83115, 249345, 1028779, 3086337, 5143895, 9259011, 15431685, 27777033, 46295055, 138885165]

約数ペア:

[(1, 138885165), (3, 46295055), (5, 27777033), (9, 15431685), (15, 9259011), (27, 5143895), (45, 3086337), (135, 1028779), (557, 249345), (1671, 83115), (1847, 75195), (2785, 49869), (5013, 27705), (5541, 25065), (8355, 16623), (9235, 15039)]