387952875

素因数分解:

$3^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1714

約数の個数: 64

約数和(自身を含む): 727833600

約数和(自身を除く): 339880725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 125, 135, 213, 225, 355, 375, 639, 675, 1065, 1125, 1619, 1775, 1917, 3195, 3375, 4857, 5325, 8095, 8875, 9585, 14571, 15975, 24285, 26625, 40475, 43713, 47925, 72855, 79875, 114949, 121425, 202375, 218565, 239625, 344847, 364275, 574745, 607125, 1034541, 1092825, 1724235, 1821375, 2873725, 3103623, 5172705, 5464125, 8621175, 14368625, 15518115, 25863525, 43105875, 77590575, 129317625, 387952875]

約数ペア:

[(1, 387952875), (3, 129317625), (5, 77590575), (9, 43105875), (15, 25863525), (25, 15518115), (27, 14368625), (45, 8621175), (71, 5464125), (75, 5172705), (125, 3103623), (135, 2873725), (213, 1821375), (225, 1724235), (355, 1092825), (375, 1034541), (639, 607125), (675, 574745), (1065, 364275), (1125, 344847), (1619, 239625), (1775, 218565), (1917, 202375), (3195, 121425), (3375, 114949), (4857, 79875), (5325, 72855), (8095, 47925), (8875, 43713), (9585, 40475), (14571, 26625), (15975, 24285)]