28976475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 54885376

約数和(自身を除く): 25908901

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 103, 121, 155, 165, 275, 309, 341, 363, 465, 515, 605, 775, 825, 1023, 1133, 1545, 1705, 1815, 2325, 2575, 3025, 3193, 3399, 3751, 5115, 5665, 7725, 8525, 9075, 9579, 11253, 12463, 15965, 16995, 18755, 25575, 28325, 35123, 37389, 47895, 56265, 62315, 79825, 84975, 93775, 105369, 175615, 186945, 239475, 281325, 311575, 386353, 526845, 878075, 934725, 1159059, 1931765, 2634225, 5795295, 9658825, 28976475]

約数ペア:

[(1, 28976475), (3, 9658825), (5, 5795295), (11, 2634225), (15, 1931765), (25, 1159059), (31, 934725), (33, 878075), (55, 526845), (75, 386353), (93, 311575), (103, 281325), (121, 239475), (155, 186945), (165, 175615), (275, 105369), (309, 93775), (341, 84975), (363, 79825), (465, 62315), (515, 56265), (605, 47895), (775, 37389), (825, 35123), (1023, 28325), (1133, 25575), (1545, 18755), (1705, 16995), (1815, 15965), (2325, 12463), (2575, 11253), (3025, 9579), (3193, 9075), (3399, 8525), (3751, 7725), (5115, 5665)]