28897575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2897}}^1$

素因数の和:2936

約数の個数: 48

約数和(自身を含む): 57496320

約数和(自身を除く): 28598745

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 2897, 3325, 8691, 9975, 14485, 20279, 43455, 55043, 60837, 72425, 101395, 165129, 217275, 275215, 304185, 385301, 506975, 825645, 1155903, 1376075, 1520925, 1926505, 4128225, 5779515, 9632525, 28897575]

約数ペア:

[(1, 28897575), (3, 9632525), (5, 5779515), (7, 4128225), (15, 1926505), (19, 1520925), (21, 1376075), (25, 1155903), (35, 825645), (57, 506975), (75, 385301), (95, 304185), (105, 275215), (133, 217275), (175, 165129), (285, 101395), (399, 72425), (475, 60837), (525, 55043), (665, 43455), (1425, 20279), (1995, 14485), (2897, 9975), (3325, 8691)]