142545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 32

約数和(自身を含む): 266112

約数和(自身を除く): 123567

約数列:

[1, 3, 5, 13, 15, 17, 39, 43, 51, 65, 85, 129, 195, 215, 221, 255, 559, 645, 663, 731, 1105, 1677, 2193, 2795, 3315, 3655, 8385, 9503, 10965, 28509, 47515, 142545]

約数ペア:

[(1, 142545), (3, 47515), (5, 28509), (13, 10965), (15, 9503), (17, 8385), (39, 3655), (43, 3315), (51, 2795), (65, 2193), (85, 1677), (129, 1105), (195, 731), (215, 663), (221, 645), (255, 559)]