1389755619

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{3511}}^1$

素因数の和:3688

約数の個数: 48

約数和(自身を含む): 2355119104

約数和(自身を除く): 965363485

約数列:

[1, 3, 7, 9, 21, 61, 63, 103, 183, 309, 427, 549, 721, 927, 1281, 2163, 3511, 3843, 6283, 6489, 10533, 18849, 24577, 31599, 43981, 56547, 73731, 131943, 214171, 221193, 361633, 395829, 642513, 1084899, 1499197, 1927539, 2531431, 3254697, 4497591, 7594293, 13492773, 22059613, 22782879, 66178839, 154417291, 198536517, 463251873, 1389755619]

約数ペア:

[(1, 1389755619), (3, 463251873), (7, 198536517), (9, 154417291), (21, 66178839), (61, 22782879), (63, 22059613), (103, 13492773), (183, 7594293), (309, 4497591), (427, 3254697), (549, 2531431), (721, 1927539), (927, 1499197), (1281, 1084899), (2163, 642513), (3511, 395829), (3843, 361633), (6283, 221193), (6489, 214171), (10533, 131943), (18849, 73731), (24577, 56547), (31599, 43981)]