828345

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{23}}^1$

素因数の和:59

約数の個数: 40

約数和(自身を含む): 1613376

約数和(自身を除く): 785031

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 343, 345, 483, 735, 805, 1029, 1127, 1715, 2401, 2415, 3381, 5145, 5635, 7203, 7889, 12005, 16905, 23667, 36015, 39445, 55223, 118335, 165669, 276115, 828345]

約数ペア:

[(1, 828345), (3, 276115), (5, 165669), (7, 118335), (15, 55223), (21, 39445), (23, 36015), (35, 23667), (49, 16905), (69, 12005), (105, 7889), (115, 7203), (147, 5635), (161, 5145), (245, 3381), (343, 2415), (345, 2401), (483, 1715), (735, 1127), (805, 1029)]