306217845

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 561696408

約数和(自身を除く): 255478563

約数列:

[1, 3, 5, 9, 15, 31, 45, 73, 93, 97, 155, 219, 279, 291, 365, 465, 485, 657, 873, 961, 1095, 1395, 1455, 2263, 2883, 3007, 3285, 4365, 4805, 6789, 7081, 8649, 9021, 11315, 14415, 15035, 20367, 21243, 27063, 33945, 35405, 43245, 45105, 63729, 70153, 93217, 101835, 106215, 135315, 210459, 219511, 279651, 318645, 350765, 466085, 631377, 658533, 838953, 1052295, 1097555, 1398255, 1975599, 3156885, 3292665, 4194765, 6804841, 9877995, 20414523, 34024205, 61243569, 102072615, 306217845]

約数ペア:

[(1, 306217845), (3, 102072615), (5, 61243569), (9, 34024205), (15, 20414523), (31, 9877995), (45, 6804841), (73, 4194765), (93, 3292665), (97, 3156885), (155, 1975599), (219, 1398255), (279, 1097555), (291, 1052295), (365, 838953), (465, 658533), (485, 631377), (657, 466085), (873, 350765), (961, 318645), (1095, 279651), (1395, 219511), (1455, 210459), (2263, 135315), (2883, 106215), (3007, 101835), (3285, 93217), (4365, 70153), (4805, 63729), (6789, 45105), (7081, 43245), (8649, 35405), (9021, 33945), (11315, 27063), (14415, 21243), (15035, 20367)]