638996925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{52919}}^1$

素因数の和:52962

約数の個数: 48

約数和(自身を含む): 1259919360

約数和(自身を除く): 620922435

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1725, 2415, 4025, 12075, 52919, 158757, 264595, 370433, 793785, 1111299, 1217137, 1322975, 1852165, 3651411, 3968925, 5556495, 6085685, 8519959, 9260825, 18257055, 25559877, 27782475, 30428425, 42599795, 91285275, 127799385, 212998975, 638996925]

約数ペア:

[(1, 638996925), (3, 212998975), (5, 127799385), (7, 91285275), (15, 42599795), (21, 30428425), (23, 27782475), (25, 25559877), (35, 18257055), (69, 9260825), (75, 8519959), (105, 6085685), (115, 5556495), (161, 3968925), (175, 3651411), (345, 1852165), (483, 1322975), (525, 1217137), (575, 1111299), (805, 793785), (1725, 370433), (2415, 264595), (4025, 158757), (12075, 52919)]