31290273

素因数分解:

$3^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 54884160

約数和(自身を除く): 23593887

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 147, 189, 201, 353, 441, 469, 603, 1059, 1323, 1407, 1809, 2471, 3177, 3283, 4221, 7413, 9531, 9849, 12663, 17297, 22239, 23651, 29547, 51891, 66717, 70953, 88641, 155673, 165557, 212859, 467019, 496671, 638577, 1158899, 1490013, 3476697, 4470039, 10430091, 31290273]

約数ペア:

[(1, 31290273), (3, 10430091), (7, 4470039), (9, 3476697), (21, 1490013), (27, 1158899), (49, 638577), (63, 496671), (67, 467019), (147, 212859), (189, 165557), (201, 155673), (353, 88641), (441, 70953), (469, 66717), (603, 51891), (1059, 29547), (1323, 23651), (1407, 22239), (1809, 17297), (2471, 12663), (3177, 9849), (3283, 9531), (4221, 7413)]