72501705

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 129205440

約数和(自身を除く): 56703735

約数列:

[1, 3, 5, 9, 15, 45, 67, 139, 173, 201, 335, 417, 519, 603, 695, 865, 1005, 1251, 1557, 2085, 2595, 3015, 6255, 7785, 9313, 11591, 24047, 27939, 34773, 46565, 57955, 72141, 83817, 104319, 120235, 139695, 173865, 216423, 360705, 419085, 521595, 1082115, 1611149, 4833447, 8055745, 14500341, 24167235, 72501705]

約数ペア:

[(1, 72501705), (3, 24167235), (5, 14500341), (9, 8055745), (15, 4833447), (45, 1611149), (67, 1082115), (139, 521595), (173, 419085), (201, 360705), (335, 216423), (417, 173865), (519, 139695), (603, 120235), (695, 104319), (865, 83817), (1005, 72141), (1251, 57955), (1557, 46565), (2085, 34773), (2595, 27939), (3015, 24047), (6255, 11591), (7785, 9313)]