668858883

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 1207996416

約数和(自身を除く): 539137533

約数列:

[1, 3, 7, 11, 21, 23, 31, 33, 69, 77, 93, 131, 161, 217, 231, 253, 341, 393, 483, 651, 713, 759, 917, 961, 1023, 1441, 1771, 2139, 2387, 2751, 2883, 3013, 4061, 4323, 4991, 5313, 6727, 7161, 7843, 9039, 10087, 10571, 12183, 14973, 20181, 21091, 22103, 23529, 28427, 30261, 31713, 33143, 44671, 54901, 63273, 66309, 73997, 85281, 93403, 99429, 125891, 134013, 154721, 164703, 221991, 232001, 243133, 280209, 312697, 377673, 464163, 653821, 696003, 729399, 881237, 938091, 1027433, 1384801, 1701931, 1961463, 2643711, 2895493, 3082299, 4154403, 5105793, 7192031, 8686479, 9693607, 20268451, 21576093, 29080821, 31850423, 60805353, 95551269, 222952961, 668858883]

約数ペア:

[(1, 668858883), (3, 222952961), (7, 95551269), (11, 60805353), (21, 31850423), (23, 29080821), (31, 21576093), (33, 20268451), (69, 9693607), (77, 8686479), (93, 7192031), (131, 5105793), (161, 4154403), (217, 3082299), (231, 2895493), (253, 2643711), (341, 1961463), (393, 1701931), (483, 1384801), (651, 1027433), (713, 938091), (759, 881237), (917, 729399), (961, 696003), (1023, 653821), (1441, 464163), (1771, 377673), (2139, 312697), (2387, 280209), (2751, 243133), (2883, 232001), (3013, 221991), (4061, 164703), (4323, 154721), (4991, 134013), (5313, 125891), (6727, 99429), (7161, 93403), (7843, 85281), (9039, 73997), (10087, 66309), (10571, 63273), (12183, 54901), (14973, 44671), (20181, 33143), (21091, 31713), (22103, 30261), (23529, 28427)]