38909625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 70287360

約数和(自身を除く): 31377735

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 125, 127, 129, 215, 285, 375, 381, 475, 635, 645, 817, 1075, 1425, 1905, 2375, 2413, 2451, 3175, 3225, 4085, 5375, 5461, 7125, 7239, 9525, 12065, 12255, 15875, 16125, 16383, 20425, 27305, 36195, 47625, 60325, 61275, 81915, 102125, 103759, 136525, 180975, 301625, 306375, 311277, 409575, 518795, 682625, 904875, 1556385, 2047875, 2593975, 7781925, 12969875, 38909625]

約数ペア:

[(1, 38909625), (3, 12969875), (5, 7781925), (15, 2593975), (19, 2047875), (25, 1556385), (43, 904875), (57, 682625), (75, 518795), (95, 409575), (125, 311277), (127, 306375), (129, 301625), (215, 180975), (285, 136525), (375, 103759), (381, 102125), (475, 81915), (635, 61275), (645, 60325), (817, 47625), (1075, 36195), (1425, 27305), (1905, 20425), (2375, 16383), (2413, 16125), (2451, 15875), (3175, 12255), (3225, 12065), (4085, 9525), (5375, 7239), (5461, 7125)]