68519775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 122054688

約数和(自身を除く): 53534913

約数列:

[1, 3, 5, 15, 17, 25, 51, 61, 75, 85, 183, 255, 305, 425, 881, 915, 1037, 1275, 1525, 2643, 3111, 4405, 4575, 5185, 13215, 14977, 15555, 22025, 25925, 44931, 53741, 66075, 74885, 77775, 161223, 224655, 268705, 374425, 806115, 913597, 1123275, 1343525, 2740791, 4030575, 4567985, 13703955, 22839925, 68519775]

約数ペア:

[(1, 68519775), (3, 22839925), (5, 13703955), (15, 4567985), (17, 4030575), (25, 2740791), (51, 1343525), (61, 1123275), (75, 913597), (85, 806115), (183, 374425), (255, 268705), (305, 224655), (425, 161223), (881, 77775), (915, 74885), (1037, 66075), (1275, 53741), (1525, 44931), (2643, 25925), (3111, 22025), (4405, 15555), (4575, 14977), (5185, 13215)]