155763237

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 243129600

約数和(自身を除く): 87366363

約数列:

[1, 3, 7, 21, 53, 159, 349, 371, 401, 1047, 1113, 1203, 2443, 2807, 7329, 8421, 18497, 21253, 55491, 63759, 129479, 139949, 148771, 388437, 419847, 446313, 979643, 2938929, 7417297, 22251891, 51921079, 155763237]

約数ペア:

[(1, 155763237), (3, 51921079), (7, 22251891), (21, 7417297), (53, 2938929), (159, 979643), (349, 446313), (371, 419847), (401, 388437), (1047, 148771), (1113, 139949), (1203, 129479), (2443, 63759), (2807, 55491), (7329, 21253), (8421, 18497)]