30827775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 58051840

約数和(自身を除く): 27224065

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 79, 121, 129, 165, 215, 237, 275, 363, 395, 473, 605, 645, 825, 869, 1075, 1185, 1419, 1815, 1975, 2365, 2607, 3025, 3225, 3397, 4345, 5203, 5925, 7095, 9075, 9559, 10191, 11825, 13035, 15609, 16985, 21725, 26015, 28677, 35475, 37367, 47795, 50955, 65175, 78045, 84925, 112101, 130075, 143385, 186835, 238975, 254775, 390225, 411037, 560505, 716925, 934175, 1233111, 2055185, 2802525, 6165555, 10275925, 30827775]

約数ペア:

[(1, 30827775), (3, 10275925), (5, 6165555), (11, 2802525), (15, 2055185), (25, 1233111), (33, 934175), (43, 716925), (55, 560505), (75, 411037), (79, 390225), (121, 254775), (129, 238975), (165, 186835), (215, 143385), (237, 130075), (275, 112101), (363, 84925), (395, 78045), (473, 65175), (605, 50955), (645, 47795), (825, 37367), (869, 35475), (1075, 28677), (1185, 26015), (1419, 21725), (1815, 16985), (1975, 15609), (2365, 13035), (2607, 11825), (3025, 10191), (3225, 9559), (3397, 9075), (4345, 7095), (5203, 5925)]