31672725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 64948224

約数和(自身を除く): 33275499

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 43, 61, 69, 75, 105, 115, 129, 161, 175, 183, 215, 301, 305, 345, 427, 483, 525, 575, 645, 805, 903, 915, 989, 1075, 1281, 1403, 1505, 1525, 1725, 2135, 2415, 2623, 2967, 3225, 4025, 4209, 4515, 4575, 4945, 6405, 6923, 7015, 7525, 7869, 9821, 10675, 12075, 13115, 14835, 18361, 20769, 21045, 22575, 24725, 29463, 32025, 34615, 35075, 39345, 49105, 55083, 60329, 65575, 74175, 91805, 103845, 105225, 147315, 173075, 180987, 196725, 245525, 275415, 301645, 422303, 459025, 519225, 736575, 904935, 1266909, 1377075, 1508225, 2111515, 4524675, 6334545, 10557575, 31672725]

約数ペア:

[(1, 31672725), (3, 10557575), (5, 6334545), (7, 4524675), (15, 2111515), (21, 1508225), (23, 1377075), (25, 1266909), (35, 904935), (43, 736575), (61, 519225), (69, 459025), (75, 422303), (105, 301645), (115, 275415), (129, 245525), (161, 196725), (175, 180987), (183, 173075), (215, 147315), (301, 105225), (305, 103845), (345, 91805), (427, 74175), (483, 65575), (525, 60329), (575, 55083), (645, 49105), (805, 39345), (903, 35075), (915, 34615), (989, 32025), (1075, 29463), (1281, 24725), (1403, 22575), (1505, 21045), (1525, 20769), (1725, 18361), (2135, 14835), (2415, 13115), (2623, 12075), (2967, 10675), (3225, 9821), (4025, 7869), (4209, 7525), (4515, 7015), (4575, 6923), (4945, 6405)]