72172269

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{205619}}^1$

素因数の和:205641

約数の個数: 16

約数和(自身を含む): 115147200

約数和(自身を除く): 42974931

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 205619, 616857, 1850571, 2673047, 5551713, 8019141, 24057423, 72172269]

約数ペア:

[(1, 72172269), (3, 24057423), (9, 8019141), (13, 5551713), (27, 2673047), (39, 1850571), (117, 616857), (351, 205619)]