8250921

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 14701440

約数和(自身を除く): 6450519

約数列:

[1, 3, 7, 9, 19, 21, 57, 61, 63, 113, 133, 171, 183, 339, 399, 427, 549, 791, 1017, 1159, 1197, 1281, 2147, 2373, 3477, 3843, 6441, 6893, 7119, 8113, 10431, 15029, 19323, 20679, 24339, 45087, 48251, 62037, 73017, 130967, 135261, 144753, 392901, 434259, 916769, 1178703, 2750307, 8250921]

約数ペア:

[(1, 8250921), (3, 2750307), (7, 1178703), (9, 916769), (19, 434259), (21, 392901), (57, 144753), (61, 135261), (63, 130967), (113, 73017), (133, 62037), (171, 48251), (183, 45087), (339, 24339), (399, 20679), (427, 19323), (549, 15029), (791, 10431), (1017, 8113), (1159, 7119), (1197, 6893), (1281, 6441), (2147, 3843), (2373, 3477)]