21955125

素因数分解:

$3^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 36900864

約数和(自身を除く): 14945739

約数列:

[1, 3, 5, 15, 25, 75, 125, 127, 375, 381, 461, 635, 1383, 1905, 2305, 3175, 6915, 9525, 11525, 15875, 34575, 47625, 57625, 58547, 172875, 175641, 292735, 878205, 1463675, 4391025, 7318375, 21955125]

約数ペア:

[(1, 21955125), (3, 7318375), (5, 4391025), (15, 1463675), (25, 878205), (75, 292735), (125, 175641), (127, 172875), (375, 58547), (381, 57625), (461, 47625), (635, 34575), (1383, 15875), (1905, 11525), (2305, 9525), (3175, 6915)]