211345911

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{461}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 369008640

約数和(自身を除く): 157662729

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 383, 399, 461, 1149, 1197, 1383, 2681, 3227, 3447, 4149, 7277, 8043, 8759, 9681, 21831, 24129, 26277, 29043, 50939, 61313, 65493, 78831, 152817, 176563, 183939, 458451, 529689, 551817, 1235941, 1589067, 3354697, 3707823, 10064091, 11123469, 23482879, 30192273, 70448637, 211345911]

約数ペア:

[(1, 211345911), (3, 70448637), (7, 30192273), (9, 23482879), (19, 11123469), (21, 10064091), (57, 3707823), (63, 3354697), (133, 1589067), (171, 1235941), (383, 551817), (399, 529689), (461, 458451), (1149, 183939), (1197, 176563), (1383, 152817), (2681, 78831), (3227, 65493), (3447, 61313), (4149, 50939), (7277, 29043), (8043, 26277), (8759, 24129), (9681, 21831)]