9131395

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 14249088

約数和(自身を除く): 5117693

約数列:

[1, 5, 7, 13, 35, 47, 49, 61, 65, 91, 235, 245, 305, 329, 427, 455, 611, 637, 793, 1645, 2135, 2303, 2867, 2989, 3055, 3185, 3965, 4277, 5551, 11515, 14335, 14945, 20069, 21385, 27755, 29939, 37271, 38857, 100345, 140483, 149695, 186355, 194285, 260897, 702415, 1304485, 1826279, 9131395]

約数ペア:

[(1, 9131395), (5, 1826279), (7, 1304485), (13, 702415), (35, 260897), (47, 194285), (49, 186355), (61, 149695), (65, 140483), (91, 100345), (235, 38857), (245, 37271), (305, 29939), (329, 27755), (427, 21385), (455, 20069), (611, 14945), (637, 14335), (793, 11515), (1645, 5551), (2135, 4277), (2303, 3965), (2867, 3185), (2989, 3055)]