28711789029

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2180587}}^1$

素因数の和:2180630

約数の個数: 48

約数和(自身を含む): 54427476480

約数和(自身を除く): 25715687451

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 4389, 13167, 2180587, 6541761, 15264109, 19625283, 23986457, 41431153, 45792327, 71959371, 124293459, 137376981, 167905199, 215878113, 290018071, 372880377, 455742683, 503715597, 870054213, 1367228049, 1511146791, 2610162639, 3190198781, 4101684147, 9570596343, 28711789029]

約数ペア:

[(1, 28711789029), (3, 9570596343), (7, 4101684147), (9, 3190198781), (11, 2610162639), (19, 1511146791), (21, 1367228049), (33, 870054213), (57, 503715597), (63, 455742683), (77, 372880377), (99, 290018071), (133, 215878113), (171, 167905199), (209, 137376981), (231, 124293459), (399, 71959371), (627, 45792327), (693, 41431153), (1197, 23986457), (1463, 19625283), (1881, 15264109), (4389, 6541761), (13167, 2180587)]