16840845

素因数分解:

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

素因数の和:343

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 17995635

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 105, 135, 189, 213, 251, 315, 355, 497, 639, 753, 945, 1065, 1255, 1491, 1757, 1917, 2259, 2485, 3195, 3765, 4473, 5271, 6777, 7455, 8785, 9585, 11295, 13419, 15813, 17821, 22365, 26355, 33885, 47439, 53463, 67095, 79065, 89105, 124747, 160389, 237195, 267315, 374241, 481167, 623735, 801945, 1122723, 1871205, 2405835, 3368169, 5613615, 16840845]

約数ペア:

[(1, 16840845), (3, 5613615), (5, 3368169), (7, 2405835), (9, 1871205), (15, 1122723), (21, 801945), (27, 623735), (35, 481167), (45, 374241), (63, 267315), (71, 237195), (105, 160389), (135, 124747), (189, 89105), (213, 79065), (251, 67095), (315, 53463), (355, 47439), (497, 33885), (639, 26355), (753, 22365), (945, 17821), (1065, 15813), (1255, 13419), (1491, 11295), (1757, 9585), (1917, 8785), (2259, 7455), (2485, 6777), (3195, 5271), (3765, 4473)]