138065475

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 241286144

約数和(自身を除く): 103220669

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 465, 645, 775, 1075, 1333, 1381, 2325, 3225, 3999, 4143, 6665, 6905, 19995, 20715, 33325, 34525, 42811, 59383, 99975, 103575, 128433, 178149, 214055, 296915, 642165, 890745, 1070275, 1484575, 1840873, 3210825, 4453725, 5522619, 9204365, 27613095, 46021825, 138065475]

約数ペア:

[(1, 138065475), (3, 46021825), (5, 27613095), (15, 9204365), (25, 5522619), (31, 4453725), (43, 3210825), (75, 1840873), (93, 1484575), (129, 1070275), (155, 890745), (215, 642165), (465, 296915), (645, 214055), (775, 178149), (1075, 128433), (1333, 103575), (1381, 99975), (2325, 59383), (3225, 42811), (3999, 34525), (4143, 33325), (6665, 20715), (6905, 19995)]