28816875

素因数分解:

$3^2\times 5^4\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 60

約数和(自身を含む): 53607840

約数和(自身を除く): 24790965

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 109, 125, 141, 225, 235, 327, 375, 423, 545, 625, 705, 981, 1125, 1175, 1635, 1875, 2115, 2725, 3525, 4905, 5123, 5625, 5875, 8175, 10575, 13625, 15369, 17625, 24525, 25615, 29375, 40875, 46107, 52875, 68125, 76845, 88125, 122625, 128075, 204375, 230535, 264375, 384225, 613125, 640375, 1152675, 1921125, 3201875, 5763375, 9605625, 28816875]

約数ペア:

[(1, 28816875), (3, 9605625), (5, 5763375), (9, 3201875), (15, 1921125), (25, 1152675), (45, 640375), (47, 613125), (75, 384225), (109, 264375), (125, 230535), (141, 204375), (225, 128075), (235, 122625), (327, 88125), (375, 76845), (423, 68125), (545, 52875), (625, 46107), (705, 40875), (981, 29375), (1125, 25615), (1175, 24525), (1635, 17625), (1875, 15369), (2115, 13625), (2725, 10575), (3525, 8175), (4905, 5875), (5123, 5625)]