55253919

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 91783680

約数和(自身を除く): 36529761

約数列:

[1, 3, 7, 19, 21, 49, 57, 73, 133, 147, 219, 271, 399, 511, 813, 931, 1387, 1533, 1897, 2793, 3577, 4161, 5149, 5691, 9709, 10731, 13279, 15447, 19783, 29127, 36043, 39837, 59349, 67963, 108129, 138481, 203889, 252301, 375877, 415443, 756903, 969367, 1127631, 2631139, 2908101, 7893417, 18417973, 55253919]

約数ペア:

[(1, 55253919), (3, 18417973), (7, 7893417), (19, 2908101), (21, 2631139), (49, 1127631), (57, 969367), (73, 756903), (133, 415443), (147, 375877), (219, 252301), (271, 203889), (399, 138481), (511, 108129), (813, 67963), (931, 59349), (1387, 39837), (1533, 36043), (1897, 29127), (2793, 19783), (3577, 15447), (4161, 13279), (5149, 10731), (5691, 9709)]