260366253

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 431248320

約数和(自身を除く): 170882067

約数列:

[1, 3, 7, 19, 21, 49, 57, 73, 133, 147, 219, 399, 511, 931, 1277, 1387, 1533, 2793, 3577, 3831, 4161, 8939, 9709, 10731, 24263, 26817, 29127, 62573, 67963, 72789, 93221, 169841, 187719, 203889, 279663, 509523, 652547, 1188887, 1771199, 1957641, 3566661, 4567829, 5313597, 12398393, 13703487, 37195179, 86788751, 260366253]

約数ペア:

[(1, 260366253), (3, 86788751), (7, 37195179), (19, 13703487), (21, 12398393), (49, 5313597), (57, 4567829), (73, 3566661), (133, 1957641), (147, 1771199), (219, 1188887), (399, 652547), (511, 509523), (931, 279663), (1277, 203889), (1387, 187719), (1533, 169841), (2793, 93221), (3577, 72789), (3831, 67963), (4161, 62573), (8939, 29127), (9709, 26817), (10731, 24263)]