61819875

素因数分解:

$3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1409}}^1$

素因数の和:1446

約数の個数: 64

約数和(自身を含む): 123177600

約数和(自身を除く): 61357725

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 325, 351, 375, 585, 675, 975, 1125, 1409, 1625, 1755, 2925, 3375, 4227, 4875, 7045, 8775, 12681, 14625, 18317, 21135, 35225, 38043, 43875, 54951, 63405, 91585, 105675, 164853, 176125, 190215, 274755, 317025, 457925, 494559, 528375, 824265, 951075, 1373775, 1585125, 2289625, 2472795, 4121325, 4755375, 6868875, 12363975, 20606625, 61819875]

約数ペア:

[(1, 61819875), (3, 20606625), (5, 12363975), (9, 6868875), (13, 4755375), (15, 4121325), (25, 2472795), (27, 2289625), (39, 1585125), (45, 1373775), (65, 951075), (75, 824265), (117, 528375), (125, 494559), (135, 457925), (195, 317025), (225, 274755), (325, 190215), (351, 176125), (375, 164853), (585, 105675), (675, 91585), (975, 63405), (1125, 54951), (1409, 43875), (1625, 38043), (1755, 35225), (2925, 21135), (3375, 18317), (4227, 14625), (4875, 12681), (7045, 8775)]