38213025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 70349664

約数和(自身を除く): 32136639

約数列:

[1, 3, 5, 15, 17, 25, 41, 43, 51, 75, 85, 123, 129, 205, 215, 255, 289, 425, 615, 645, 697, 731, 867, 1025, 1075, 1275, 1445, 1763, 2091, 2193, 3075, 3225, 3485, 3655, 4335, 5289, 7225, 8815, 10455, 10965, 11849, 12427, 17425, 18275, 21675, 26445, 29971, 35547, 37281, 44075, 52275, 54825, 59245, 62135, 89913, 132225, 149855, 177735, 186405, 296225, 310675, 449565, 509507, 749275, 888675, 932025, 1528521, 2247825, 2547535, 7642605, 12737675, 38213025]

約数ペア:

[(1, 38213025), (3, 12737675), (5, 7642605), (15, 2547535), (17, 2247825), (25, 1528521), (41, 932025), (43, 888675), (51, 749275), (75, 509507), (85, 449565), (123, 310675), (129, 296225), (205, 186405), (215, 177735), (255, 149855), (289, 132225), (425, 89913), (615, 62135), (645, 59245), (697, 54825), (731, 52275), (867, 44075), (1025, 37281), (1075, 35547), (1275, 29971), (1445, 26445), (1763, 21675), (2091, 18275), (2193, 17425), (3075, 12427), (3225, 11849), (3485, 10965), (3655, 10455), (4335, 8815), (5289, 7225)]