15815916

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 43387344

約数和(自身を除く): 27571428

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 306, 387, 516, 601, 612, 731, 774, 1202, 1462, 1548, 1803, 2193, 2404, 2924, 3606, 4386, 5409, 6579, 7212, 8772, 10217, 10818, 13158, 20434, 21636, 25843, 26316, 30651, 40868, 51686, 61302, 77529, 91953, 103372, 122604, 155058, 183906, 232587, 310116, 367812, 439331, 465174, 878662, 930348, 1317993, 1757324, 2635986, 3953979, 5271972, 7907958, 15815916]

約数ペア:

[(1, 15815916), (2, 7907958), (3, 5271972), (4, 3953979), (6, 2635986), (9, 1757324), (12, 1317993), (17, 930348), (18, 878662), (34, 465174), (36, 439331), (43, 367812), (51, 310116), (68, 232587), (86, 183906), (102, 155058), (129, 122604), (153, 103372), (172, 91953), (204, 77529), (258, 61302), (306, 51686), (387, 40868), (516, 30651), (601, 26316), (612, 25843), (731, 21636), (774, 20434), (1202, 13158), (1462, 10818), (1548, 10217), (1803, 8772), (2193, 7212), (2404, 6579), (2924, 5409), (3606, 4386)]