213263631

素因数分解:

$3^3\times 7^2\times {\mathrm{331}}^1\times {\mathrm{487}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 369396480

約数和(自身を除く): 156132849

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 331, 441, 487, 993, 1323, 1461, 2317, 2979, 3409, 4383, 6951, 8937, 10227, 13149, 16219, 20853, 23863, 30681, 48657, 62559, 71589, 92043, 145971, 161197, 214767, 437913, 483591, 644301, 1128379, 1450773, 3385137, 4352319, 7898653, 10155411, 23695959, 30466233, 71087877, 213263631]

約数ペア:

[(1, 213263631), (3, 71087877), (7, 30466233), (9, 23695959), (21, 10155411), (27, 7898653), (49, 4352319), (63, 3385137), (147, 1450773), (189, 1128379), (331, 644301), (441, 483591), (487, 437913), (993, 214767), (1323, 161197), (1461, 145971), (2317, 92043), (2979, 71589), (3409, 62559), (4383, 48657), (6951, 30681), (8937, 23863), (10227, 20853), (13149, 16219)]