30313521

素因数分解:

$3^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 22521807

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 243, 251, 497, 567, 639, 753, 1491, 1701, 1757, 1917, 2259, 4473, 5271, 5751, 6777, 13419, 15813, 17253, 17821, 20331, 40257, 47439, 53463, 60993, 120771, 124747, 142317, 160389, 374241, 426951, 481167, 1122723, 1443501, 3368169, 4330503, 10104507, 30313521]

約数ペア:

[(1, 30313521), (3, 10104507), (7, 4330503), (9, 3368169), (21, 1443501), (27, 1122723), (63, 481167), (71, 426951), (81, 374241), (189, 160389), (213, 142317), (243, 124747), (251, 120771), (497, 60993), (567, 53463), (639, 47439), (753, 40257), (1491, 20331), (1701, 17821), (1757, 17253), (1917, 15813), (2259, 13419), (4473, 6777), (5271, 5751)]