66221631

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:727

約数の個数: 56

約数和(自身を含む): 119617920

約数和(自身を除く): 53396289

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 567, 683, 729, 1197, 1539, 1701, 2049, 3591, 4617, 4781, 5103, 6147, 10773, 12977, 13851, 14343, 18441, 32319, 38931, 43029, 55323, 90839, 96957, 116793, 129087, 165969, 272517, 350379, 387261, 497907, 817551, 1051137, 1161783, 2452653, 3153411, 3485349, 7357959, 9460233, 22073877, 66221631]

約数ペア:

[(1, 66221631), (3, 22073877), (7, 9460233), (9, 7357959), (19, 3485349), (21, 3153411), (27, 2452653), (57, 1161783), (63, 1051137), (81, 817551), (133, 497907), (171, 387261), (189, 350379), (243, 272517), (399, 165969), (513, 129087), (567, 116793), (683, 96957), (729, 90839), (1197, 55323), (1539, 43029), (1701, 38931), (2049, 32319), (3591, 18441), (4617, 14343), (4781, 13851), (5103, 12977), (6147, 10773)]