211301325

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4409}}^1$

素因数の和:4499

約数の個数: 48

約数和(自身を含む): 393724800

約数和(自身を除く): 182423475

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 355, 639, 675, 1065, 1775, 1917, 3195, 4409, 5325, 9585, 13227, 15975, 22045, 39681, 47925, 66135, 110225, 119043, 198405, 313039, 330675, 595215, 939117, 992025, 1565195, 2817351, 2976075, 4695585, 7825975, 8452053, 14086755, 23477925, 42260265, 70433775, 211301325]

約数ペア:

[(1, 211301325), (3, 70433775), (5, 42260265), (9, 23477925), (15, 14086755), (25, 8452053), (27, 7825975), (45, 4695585), (71, 2976075), (75, 2817351), (135, 1565195), (213, 992025), (225, 939117), (355, 595215), (639, 330675), (675, 313039), (1065, 198405), (1775, 119043), (1917, 110225), (3195, 66135), (4409, 47925), (5325, 39681), (9585, 22045), (13227, 15975)]