420194253

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 648492480

約数和(自身を除く): 228298227

約数列:

[1, 3, 17, 19, 29, 51, 57, 87, 323, 361, 493, 551, 787, 969, 1083, 1479, 1653, 2361, 6137, 9367, 10469, 13379, 14953, 18411, 22823, 28101, 31407, 40137, 44859, 68469, 177973, 254201, 284107, 387991, 433637, 533919, 762603, 852321, 1163973, 1300911, 4829819, 7371829, 8239103, 14489457, 22115487, 24717309, 140064751, 420194253]

約数ペア:

[(1, 420194253), (3, 140064751), (17, 24717309), (19, 22115487), (29, 14489457), (51, 8239103), (57, 7371829), (87, 4829819), (323, 1300911), (361, 1163973), (493, 852321), (551, 762603), (787, 533919), (969, 433637), (1083, 387991), (1479, 284107), (1653, 254201), (2361, 177973), (6137, 68469), (9367, 44859), (10469, 40137), (13379, 31407), (14953, 28101), (18411, 22823)]