812886039

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 1400490000

約数和(自身を除く): 587603961

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 139, 147, 149, 267, 417, 441, 447, 623, 801, 973, 1043, 1251, 1341, 1869, 2919, 3129, 4361, 5607, 6811, 7301, 8757, 9387, 12371, 13083, 13261, 20433, 20711, 21903, 37113, 39249, 39783, 61299, 62133, 65709, 86597, 92827, 111339, 119349, 144977, 186399, 259791, 278481, 434931, 606179, 649789, 779373, 835443, 1014839, 1304793, 1818537, 1843279, 1949367, 3044517, 5455611, 5529837, 5848101, 9133551, 12902953, 16589511, 38708859, 90320671, 116126577, 270962013, 812886039]

約数ペア:

[(1, 812886039), (3, 270962013), (7, 116126577), (9, 90320671), (21, 38708859), (49, 16589511), (63, 12902953), (89, 9133551), (139, 5848101), (147, 5529837), (149, 5455611), (267, 3044517), (417, 1949367), (441, 1843279), (447, 1818537), (623, 1304793), (801, 1014839), (973, 835443), (1043, 779373), (1251, 649789), (1341, 606179), (1869, 434931), (2919, 278481), (3129, 259791), (4361, 186399), (5607, 144977), (6811, 119349), (7301, 111339), (8757, 92827), (9387, 86597), (12371, 65709), (13083, 62133), (13261, 61299), (20433, 39783), (20711, 39249), (21903, 37113)]