30986019

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 19333341

約数列:

[1, 3, 9, 17, 31, 47, 51, 93, 139, 141, 153, 279, 417, 423, 527, 799, 1251, 1457, 1581, 2363, 2397, 4309, 4371, 4743, 6533, 7089, 7191, 12927, 13113, 19599, 21267, 24769, 38781, 58797, 73253, 74307, 111061, 202523, 219759, 222921, 333183, 607569, 659277, 999549, 1822707, 3442891, 10328673, 30986019]

約数ペア:

[(1, 30986019), (3, 10328673), (9, 3442891), (17, 1822707), (31, 999549), (47, 659277), (51, 607569), (93, 333183), (139, 222921), (141, 219759), (153, 202523), (279, 111061), (417, 74307), (423, 73253), (527, 58797), (799, 38781), (1251, 24769), (1457, 21267), (1581, 19599), (2363, 13113), (2397, 12927), (4309, 7191), (4371, 7089), (4743, 6533)]