147221487

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 255727680

約数和(自身を除く): 108506193

約数列:

[1, 3, 7, 9, 21, 29, 61, 63, 87, 183, 203, 261, 427, 549, 609, 1281, 1321, 1769, 1827, 3843, 3963, 5307, 9247, 11889, 12383, 15921, 27741, 37149, 38309, 80581, 83223, 111447, 114927, 241743, 268163, 344781, 564067, 725229, 804489, 1692201, 2336849, 2413467, 5076603, 7010547, 16357943, 21031641, 49073829, 147221487]

約数ペア:

[(1, 147221487), (3, 49073829), (7, 21031641), (9, 16357943), (21, 7010547), (29, 5076603), (61, 2413467), (63, 2336849), (87, 1692201), (183, 804489), (203, 725229), (261, 564067), (427, 344781), (549, 268163), (609, 241743), (1281, 114927), (1321, 111447), (1769, 83223), (1827, 80581), (3843, 38309), (3963, 37149), (5307, 27741), (9247, 15921), (11889, 12383)]