13011630471

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{2789}}^1$

素因数の和:3029

約数の個数: 72

約数和(自身を含む): 22327812000

約数和(自身を除く): 9316181529

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 149, 213, 441, 447, 497, 639, 1043, 1341, 1491, 2789, 3129, 3479, 4473, 7301, 8367, 9387, 10437, 10579, 19523, 21903, 25101, 31311, 31737, 58569, 65709, 74053, 95211, 136661, 175707, 198019, 222159, 409983, 415561, 518371, 594057, 666477, 1229949, 1246683, 1386133, 1555113, 1782171, 2908927, 3740049, 4158399, 4665339, 8726781, 9702931, 12475197, 20362489, 26180343, 29108793, 29504831, 61087467, 87326379, 88514493, 183262401, 206533817, 265543479, 619601451, 1445736719, 1858804353, 4337210157, 13011630471]

約数ペア:

[(1, 13011630471), (3, 4337210157), (7, 1858804353), (9, 1445736719), (21, 619601451), (49, 265543479), (63, 206533817), (71, 183262401), (147, 88514493), (149, 87326379), (213, 61087467), (441, 29504831), (447, 29108793), (497, 26180343), (639, 20362489), (1043, 12475197), (1341, 9702931), (1491, 8726781), (2789, 4665339), (3129, 4158399), (3479, 3740049), (4473, 2908927), (7301, 1782171), (8367, 1555113), (9387, 1386133), (10437, 1246683), (10579, 1229949), (19523, 666477), (21903, 594057), (25101, 518371), (31311, 415561), (31737, 409983), (58569, 222159), (65709, 198019), (74053, 175707), (95211, 136661)]