74757879

素因数分解:

$3^2\times 7^3\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 128315200

約数和(自身を除く): 53557321

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 343, 397, 427, 441, 549, 1029, 1191, 1281, 2779, 2989, 3087, 3573, 3843, 8337, 8967, 19453, 20923, 24217, 25011, 26901, 58359, 62769, 72651, 136171, 169519, 175077, 188307, 217953, 408513, 508557, 1186633, 1225539, 1525671, 3559899, 8306431, 10679697, 24919293, 74757879]

約数ペア:

[(1, 74757879), (3, 24919293), (7, 10679697), (9, 8306431), (21, 3559899), (49, 1525671), (61, 1225539), (63, 1186633), (147, 508557), (183, 408513), (343, 217953), (397, 188307), (427, 175077), (441, 169519), (549, 136171), (1029, 72651), (1191, 62769), (1281, 58359), (2779, 26901), (2989, 25011), (3087, 24217), (3573, 20923), (3843, 19453), (8337, 8967)]