28398975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 53032320

約数和(自身を除く): 24633345

約数列:

[1, 3, 5, 11, 15, 25, 29, 33, 55, 75, 87, 145, 165, 275, 319, 435, 725, 825, 957, 1187, 1595, 2175, 3561, 4785, 5935, 7975, 13057, 17805, 23925, 29675, 34423, 39171, 65285, 89025, 103269, 172115, 195855, 326425, 378653, 516345, 860575, 979275, 1135959, 1893265, 2581725, 5679795, 9466325, 28398975]

約数ペア:

[(1, 28398975), (3, 9466325), (5, 5679795), (11, 2581725), (15, 1893265), (25, 1135959), (29, 979275), (33, 860575), (55, 516345), (75, 378653), (87, 326425), (145, 195855), (165, 172115), (275, 103269), (319, 89025), (435, 65285), (725, 39171), (825, 34423), (957, 29675), (1187, 23925), (1595, 17805), (2175, 13057), (3561, 7975), (4785, 5935)]