647568009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 1045272384

約数和(自身を除く): 397704375

約数列:

[1, 3, 9, 11, 33, 61, 99, 157, 183, 471, 549, 671, 683, 1413, 1727, 2013, 2049, 5181, 6039, 6147, 7513, 9577, 15543, 22539, 28731, 41663, 67617, 86193, 105347, 107231, 124989, 316041, 321693, 374967, 458293, 948123, 965079, 1179541, 1374879, 3538623, 4124637, 6541091, 10615869, 19623273, 58869819, 71952001, 215856003, 647568009]

約数ペア:

[(1, 647568009), (3, 215856003), (9, 71952001), (11, 58869819), (33, 19623273), (61, 10615869), (99, 6541091), (157, 4124637), (183, 3538623), (471, 1374879), (549, 1179541), (671, 965079), (683, 948123), (1413, 458293), (1727, 374967), (2013, 321693), (2049, 316041), (5181, 124989), (6039, 107231), (6147, 105347), (7513, 86193), (9577, 67617), (15543, 41663), (22539, 28731)]