140221638

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{70181}}^1$

素因数の和:70229

約数の個数: 32

約数和(自身を含む): 320029920

約数和(自身を除く): 179808282

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 70181, 140362, 210543, 421086, 631629, 1263258, 1894887, 2596697, 3789774, 5193394, 7790091, 15580182, 23370273, 46740546, 70110819, 140221638]

約数ペア:

[(1, 140221638), (2, 70110819), (3, 46740546), (6, 23370273), (9, 15580182), (18, 7790091), (27, 5193394), (37, 3789774), (54, 2596697), (74, 1894887), (111, 1263258), (222, 631629), (333, 421086), (666, 210543), (999, 140362), (1998, 70181)]