71458515

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 127359648

約数和(自身を除く): 55901133

約数列:

[1, 3, 5, 9, 15, 45, 67, 137, 173, 201, 335, 411, 519, 603, 685, 865, 1005, 1233, 1557, 2055, 2595, 3015, 6165, 7785, 9179, 11591, 23701, 27537, 34773, 45895, 57955, 71103, 82611, 104319, 118505, 137685, 173865, 213309, 355515, 413055, 521595, 1066545, 1587967, 4763901, 7939835, 14291703, 23819505, 71458515]

約数ペア:

[(1, 71458515), (3, 23819505), (5, 14291703), (9, 7939835), (15, 4763901), (45, 1587967), (67, 1066545), (137, 521595), (173, 413055), (201, 355515), (335, 213309), (411, 173865), (519, 137685), (603, 118505), (685, 104319), (865, 82611), (1005, 71103), (1233, 57955), (1557, 45895), (2055, 34773), (2595, 27537), (3015, 23701), (6165, 11591), (7785, 9179)]