30991275

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{937}}^1$

素因数の和:970

約数の個数: 72

約数和(自身を含む): 66297840

約数和(自身を除く): 35306565

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 225, 245, 315, 441, 525, 675, 735, 937, 945, 1225, 1323, 1575, 2205, 2811, 3675, 4685, 4725, 6559, 6615, 8433, 11025, 14055, 19677, 23425, 25299, 32795, 33075, 42165, 45913, 59031, 70275, 98385, 126495, 137739, 163975, 177093, 210825, 229565, 295155, 413217, 491925, 632475, 688695, 885465, 1147825, 1239651, 1475775, 2066085, 3443475, 4427325, 6198255, 10330425, 30991275]

約数ペア:

[(1, 30991275), (3, 10330425), (5, 6198255), (7, 4427325), (9, 3443475), (15, 2066085), (21, 1475775), (25, 1239651), (27, 1147825), (35, 885465), (45, 688695), (49, 632475), (63, 491925), (75, 413217), (105, 295155), (135, 229565), (147, 210825), (175, 177093), (189, 163975), (225, 137739), (245, 126495), (315, 98385), (441, 70275), (525, 59031), (675, 45913), (735, 42165), (937, 33075), (945, 32795), (1225, 25299), (1323, 23425), (1575, 19677), (2205, 14055), (2811, 11025), (3675, 8433), (4685, 6615), (4725, 6559)]