78142701

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 132123264

約数和(自身を除く): 53980563

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 103, 147, 273, 309, 397, 637, 721, 1191, 1339, 1911, 2163, 2779, 4017, 5047, 5161, 8337, 9373, 15141, 15483, 19453, 28119, 36127, 40891, 58359, 65611, 108381, 122673, 196833, 252889, 286237, 531583, 758667, 858711, 1594749, 2003659, 3721081, 6010977, 11163243, 26047567, 78142701]

約数ペア:

[(1, 78142701), (3, 26047567), (7, 11163243), (13, 6010977), (21, 3721081), (39, 2003659), (49, 1594749), (91, 858711), (103, 758667), (147, 531583), (273, 286237), (309, 252889), (397, 196833), (637, 122673), (721, 108381), (1191, 65611), (1339, 58359), (1911, 40891), (2163, 36127), (2779, 28119), (4017, 19453), (5047, 15483), (5161, 15141), (8337, 9373)]