30138255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 60101184

約数和(自身を除く): 29962929

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 241, 315, 397, 723, 1191, 1205, 1687, 1985, 2169, 2779, 3573, 3615, 5061, 5955, 8337, 8435, 10845, 13895, 15183, 17865, 25011, 25305, 41685, 75915, 95677, 125055, 287031, 478385, 669739, 861093, 1435155, 2009217, 3348695, 4305465, 6027651, 10046085, 30138255]

約数ペア:

[(1, 30138255), (3, 10046085), (5, 6027651), (7, 4305465), (9, 3348695), (15, 2009217), (21, 1435155), (35, 861093), (45, 669739), (63, 478385), (105, 287031), (241, 125055), (315, 95677), (397, 75915), (723, 41685), (1191, 25305), (1205, 25011), (1687, 17865), (1985, 15183), (2169, 13895), (2779, 10845), (3573, 8435), (3615, 8337), (5061, 5955)]