28686315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 26471445

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 465, 651, 735, 1085, 1259, 1519, 3255, 3777, 4557, 6295, 7595, 8813, 18885, 22785, 26439, 39029, 44065, 61691, 117087, 132195, 185073, 195145, 273203, 308455, 585435, 819609, 925365, 1366015, 1912421, 4098045, 5737263, 9562105, 28686315]

約数ペア:

[(1, 28686315), (3, 9562105), (5, 5737263), (7, 4098045), (15, 1912421), (21, 1366015), (31, 925365), (35, 819609), (49, 585435), (93, 308455), (105, 273203), (147, 195145), (155, 185073), (217, 132195), (245, 117087), (465, 61691), (651, 44065), (735, 39029), (1085, 26439), (1259, 22785), (1519, 18885), (3255, 8813), (3777, 7595), (4557, 6295)]