20130825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1877}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 39122496

約数和(自身を除く): 18991671

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 1877, 2145, 3575, 5631, 9385, 10725, 20647, 24401, 28155, 46925, 61941, 73203, 103235, 122005, 140775, 268411, 309705, 366015, 516175, 610025, 805233, 1342055, 1548525, 1830075, 4026165, 6710275, 20130825]

約数ペア:

[(1, 20130825), (3, 6710275), (5, 4026165), (11, 1830075), (13, 1548525), (15, 1342055), (25, 805233), (33, 610025), (39, 516175), (55, 366015), (65, 309705), (75, 268411), (143, 140775), (165, 122005), (195, 103235), (275, 73203), (325, 61941), (429, 46925), (715, 28155), (825, 24401), (975, 20647), (1877, 10725), (2145, 9385), (3575, 5631)]