2021013501

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1\times {\mathrm{1187}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 2933884800

約数和(自身を除く): 912871299

約数列:

[1, 3, 13, 39, 149, 293, 447, 879, 1187, 1937, 3561, 3809, 5811, 11427, 15431, 43657, 46293, 130971, 176863, 347791, 530589, 567541, 1043373, 1702623, 2299219, 4521283, 6897657, 13563849, 51820859, 155462577, 673671167, 2021013501]

約数ペア:

[(1, 2021013501), (3, 673671167), (13, 155462577), (39, 51820859), (149, 13563849), (293, 6897657), (447, 4521283), (879, 2299219), (1187, 1702623), (1937, 1043373), (3561, 567541), (3809, 530589), (5811, 347791), (11427, 176863), (15431, 130971), (43657, 46293)]