31230927

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 60712960

約数和(自身を除く): 29482033

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 171, 189, 223, 247, 273, 351, 399, 513, 567, 669, 741, 819, 1053, 1197, 1539, 1561, 1729, 2007, 2223, 2457, 2899, 3591, 4237, 4683, 5187, 6021, 6669, 7371, 8697, 10773, 12711, 14049, 15561, 18063, 20007, 20293, 26091, 29659, 38133, 42147, 46683, 55081, 60879, 78273, 88977, 114399, 126441, 140049, 165243, 182637, 234819, 266931, 343197, 385567, 495729, 547911, 800793, 1156701, 1487187, 1643733, 2402379, 3470103, 4461561, 10410309, 31230927]

約数ペア:

[(1, 31230927), (3, 10410309), (7, 4461561), (9, 3470103), (13, 2402379), (19, 1643733), (21, 1487187), (27, 1156701), (39, 800793), (57, 547911), (63, 495729), (81, 385567), (91, 343197), (117, 266931), (133, 234819), (171, 182637), (189, 165243), (223, 140049), (247, 126441), (273, 114399), (351, 88977), (399, 78273), (513, 60879), (567, 55081), (669, 46683), (741, 42147), (819, 38133), (1053, 29659), (1197, 26091), (1539, 20293), (1561, 20007), (1729, 18063), (2007, 15561), (2223, 14049), (2457, 12711), (2899, 10773), (3591, 8697), (4237, 7371), (4683, 6669), (5187, 6021)]