221502399

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{929}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 321408000

約数和(自身を除く): 99905601

約数列:

[1, 3, 19, 47, 57, 89, 141, 267, 893, 929, 1691, 2679, 2787, 4183, 5073, 12549, 17651, 43663, 52953, 79477, 82681, 130989, 238431, 248043, 829597, 1570939, 2488791, 3886007, 4712817, 11658021, 73834133, 221502399]

約数ペア:

[(1, 221502399), (3, 73834133), (19, 11658021), (47, 4712817), (57, 3886007), (89, 2488791), (141, 1570939), (267, 829597), (893, 248043), (929, 238431), (1691, 130989), (2679, 82681), (2787, 79477), (4183, 52953), (5073, 43663), (12549, 17651)]