821057349

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{12071}}^1$

素因数の和:12201

約数の個数: 32

約数和(自身を含む): 1297981440

約数和(自身を除く): 476924091

約数列:

[1, 3, 7, 21, 41, 79, 123, 237, 287, 553, 861, 1659, 3239, 9717, 12071, 22673, 36213, 68019, 84497, 253491, 494911, 953609, 1484733, 2860827, 3464377, 6675263, 10393131, 20025789, 39097969, 117293907, 273685783, 821057349]

約数ペア:

[(1, 821057349), (3, 273685783), (7, 117293907), (21, 39097969), (41, 20025789), (79, 10393131), (123, 6675263), (237, 3464377), (287, 2860827), (553, 1484733), (861, 953609), (1659, 494911), (3239, 253491), (9717, 84497), (12071, 68019), (22673, 36213)]