1221684345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{228139}}^1$

素因数の和:228174

約数の個数: 48

約数和(自身を含む): 2562468480

約数和(自身を除く): 1340784135

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5355, 228139, 684417, 1140695, 1596973, 2053251, 3422085, 3878363, 4790919, 7984865, 10266255, 11635089, 14372757, 19391815, 23954595, 27148541, 34905267, 58175445, 71863785, 81445623, 135742705, 174526335, 244336869, 407228115, 1221684345]

約数ペア:

[(1, 1221684345), (3, 407228115), (5, 244336869), (7, 174526335), (9, 135742705), (15, 81445623), (17, 71863785), (21, 58175445), (35, 34905267), (45, 27148541), (51, 23954595), (63, 19391815), (85, 14372757), (105, 11635089), (119, 10266255), (153, 7984865), (255, 4790919), (315, 3878363), (357, 3422085), (595, 2053251), (765, 1596973), (1071, 1140695), (1785, 684417), (5355, 228139)]