211674975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{503}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 363976704

約数和(自身を除く): 152301729

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 181, 465, 503, 543, 775, 905, 1509, 2325, 2515, 2715, 4525, 5611, 7545, 12575, 13575, 15593, 16833, 28055, 37725, 46779, 77965, 84165, 91043, 140275, 233895, 273129, 389825, 420825, 455215, 1169475, 1365645, 2276075, 2822333, 6828225, 8466999, 14111665, 42334995, 70558325, 211674975]

約数ペア:

[(1, 211674975), (3, 70558325), (5, 42334995), (15, 14111665), (25, 8466999), (31, 6828225), (75, 2822333), (93, 2276075), (155, 1365645), (181, 1169475), (465, 455215), (503, 420825), (543, 389825), (775, 273129), (905, 233895), (1509, 140275), (2325, 91043), (2515, 84165), (2715, 77965), (4525, 46779), (5611, 37725), (7545, 28055), (12575, 16833), (13575, 15593)]