65625021

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{337}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 118954368

約数和(自身を除く): 53329347

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 281, 337, 693, 843, 1011, 1967, 2359, 2529, 3033, 3091, 3707, 5901, 7077, 9273, 11121, 17703, 21231, 21637, 25949, 27819, 33363, 64911, 77847, 94697, 194733, 233541, 284091, 662879, 852273, 1041667, 1988637, 3125001, 5965911, 7291669, 9375003, 21875007, 65625021]

約数ペア:

[(1, 65625021), (3, 21875007), (7, 9375003), (9, 7291669), (11, 5965911), (21, 3125001), (33, 1988637), (63, 1041667), (77, 852273), (99, 662879), (231, 284091), (281, 233541), (337, 194733), (693, 94697), (843, 77847), (1011, 64911), (1967, 33363), (2359, 27819), (2529, 25949), (3033, 21637), (3091, 21231), (3707, 17703), (5901, 11121), (7077, 9273)]