2019434697

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 3470992200

約数和(自身を除く): 1451557503

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 149, 219, 421, 441, 447, 511, 657, 1043, 1263, 1341, 1533, 2947, 3129, 3577, 3789, 4599, 7301, 8841, 9387, 10731, 10877, 20629, 21903, 26523, 30733, 32193, 32631, 61887, 62729, 65709, 76139, 92199, 97893, 185661, 188187, 215131, 228417, 276597, 439103, 532973, 564561, 645393, 685251, 1317309, 1505917, 1598919, 1936179, 3073721, 3951927, 4517751, 4579217, 4796757, 9221163, 13553253, 13737651, 27663489, 32054519, 41212953, 96163557, 224381633, 288490671, 673144899, 2019434697]

約数ペア:

[(1, 2019434697), (3, 673144899), (7, 288490671), (9, 224381633), (21, 96163557), (49, 41212953), (63, 32054519), (73, 27663489), (147, 13737651), (149, 13553253), (219, 9221163), (421, 4796757), (441, 4579217), (447, 4517751), (511, 3951927), (657, 3073721), (1043, 1936179), (1263, 1598919), (1341, 1505917), (1533, 1317309), (2947, 685251), (3129, 645393), (3577, 564561), (3789, 532973), (4599, 439103), (7301, 276597), (8841, 228417), (9387, 215131), (10731, 188187), (10877, 185661), (20629, 97893), (21903, 92199), (26523, 76139), (30733, 65709), (32193, 62729), (32631, 61887)]