78021657

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21727}}^1$

素因数の和:21762

約数の個数: 32

約数和(自身を含む): 139059200

約数和(自身を除く): 61037543

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 21727, 65181, 152089, 195543, 412813, 456267, 586629, 1238439, 1368801, 2889691, 3715317, 4106403, 8669073, 11145951, 26007219, 78021657]

約数ペア:

[(1, 78021657), (3, 26007219), (7, 11145951), (9, 8669073), (19, 4106403), (21, 3715317), (27, 2889691), (57, 1368801), (63, 1238439), (133, 586629), (171, 456267), (189, 412813), (399, 195543), (513, 152089), (1197, 65181), (3591, 21727)]