127847811

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 215460000

約数和(自身を除く): 87612189

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 149, 273, 447, 449, 637, 1043, 1347, 1911, 1937, 3129, 3143, 5811, 5837, 7301, 9429, 13559, 17511, 21903, 22001, 40677, 40859, 66003, 66901, 94913, 122577, 200703, 284739, 286013, 468307, 858039, 869713, 1404921, 2609139, 3278149, 6087991, 9834447, 18263973, 42615937, 127847811]

約数ペア:

[(1, 127847811), (3, 42615937), (7, 18263973), (13, 9834447), (21, 6087991), (39, 3278149), (49, 2609139), (91, 1404921), (147, 869713), (149, 858039), (273, 468307), (447, 286013), (449, 284739), (637, 200703), (1043, 122577), (1347, 94913), (1911, 66901), (1937, 66003), (3129, 40859), (3143, 40677), (5811, 22001), (5837, 21903), (7301, 17511), (9429, 13559)]