331320231993

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1\times {\mathrm{1801}}^1$

素因数の和:2378

約数の個数: 64

約数和(自身を含む): 477320679680

約数和(自身を除く): 146000447687

約数列:

[1, 3, 19, 57, 61, 157, 183, 337, 471, 1011, 1159, 1801, 2983, 3477, 5403, 6403, 8949, 9577, 19209, 20557, 28731, 34219, 52909, 61671, 102657, 109861, 158727, 181963, 282757, 329583, 390583, 545889, 606937, 848271, 1005271, 1171749, 1820811, 2087359, 3015813, 3227449, 5372383, 6262077, 9682347, 11531803, 16117149, 17248177, 34595409, 37023157, 51744531, 61321531, 95289109, 111069471, 183964593, 285867327, 327715363, 703439983, 983146089, 1810493071, 2110319949, 5431479213, 5812635649, 17437906947, 110440077331, 331320231993]

約数ペア:

[(1, 331320231993), (3, 110440077331), (19, 17437906947), (57, 5812635649), (61, 5431479213), (157, 2110319949), (183, 1810493071), (337, 983146089), (471, 703439983), (1011, 327715363), (1159, 285867327), (1801, 183964593), (2983, 111069471), (3477, 95289109), (5403, 61321531), (6403, 51744531), (8949, 37023157), (9577, 34595409), (19209, 17248177), (20557, 16117149), (28731, 11531803), (34219, 9682347), (52909, 6262077), (61671, 5372383), (102657, 3227449), (109861, 3015813), (158727, 2087359), (181963, 1820811), (282757, 1171749), (329583, 1005271), (390583, 848271), (545889, 606937)]