67680417

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 115084800

約数和(自身を除く): 47404383

約数列:

[1, 3, 7, 17, 21, 49, 51, 53, 73, 119, 147, 159, 219, 343, 357, 371, 511, 833, 901, 1029, 1113, 1241, 1533, 2499, 2597, 2703, 3577, 3723, 3869, 5831, 6307, 7791, 8687, 10731, 11607, 17493, 18179, 18921, 25039, 26061, 27083, 44149, 54537, 60809, 65773, 75117, 81249, 132447, 182427, 189581, 197319, 309043, 425663, 460411, 568743, 927129, 1276989, 1327067, 1381233, 3222877, 3981201, 9668631, 22560139, 67680417]

約数ペア:

[(1, 67680417), (3, 22560139), (7, 9668631), (17, 3981201), (21, 3222877), (49, 1381233), (51, 1327067), (53, 1276989), (73, 927129), (119, 568743), (147, 460411), (159, 425663), (219, 309043), (343, 197319), (357, 189581), (371, 182427), (511, 132447), (833, 81249), (901, 75117), (1029, 65773), (1113, 60809), (1241, 54537), (1533, 44149), (2499, 27083), (2597, 26061), (2703, 25039), (3577, 18921), (3723, 18179), (3869, 17493), (5831, 11607), (6307, 10731), (7791, 8687)]