7521138

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 17499456

約数和(自身を除く): 9978318

約数列:

[1, 2, 3, 6, 9, 18, 23, 37, 46, 69, 74, 111, 138, 207, 222, 333, 414, 491, 666, 851, 982, 1473, 1702, 2553, 2946, 4419, 5106, 7659, 8838, 11293, 15318, 18167, 22586, 33879, 36334, 54501, 67758, 101637, 109002, 163503, 203274, 327006, 417841, 835682, 1253523, 2507046, 3760569, 7521138]

約数ペア:

[(1, 7521138), (2, 3760569), (3, 2507046), (6, 1253523), (9, 835682), (18, 417841), (23, 327006), (37, 203274), (46, 163503), (69, 109002), (74, 101637), (111, 67758), (138, 54501), (207, 36334), (222, 33879), (333, 22586), (414, 18167), (491, 15318), (666, 11293), (851, 8838), (982, 7659), (1473, 5106), (1702, 4419), (2553, 2946)]