28293705

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 58181760

約数和(自身を除く): 29888055

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 73, 81, 87, 99, 135, 145, 165, 219, 243, 261, 297, 319, 365, 405, 435, 495, 657, 783, 803, 891, 957, 1095, 1215, 1305, 1485, 1595, 1971, 2117, 2349, 2409, 2673, 2871, 3285, 3915, 4015, 4455, 4785, 5913, 6351, 7047, 7227, 8613, 9855, 10585, 11745, 12045, 13365, 14355, 17739, 19053, 21681, 23287, 25839, 29565, 31755, 35235, 36135, 43065, 57159, 65043, 69861, 77517, 88695, 95265, 108405, 116435, 129195, 171477, 195129, 209583, 285795, 325215, 349305, 387585, 514431, 628749, 857385, 975645, 1047915, 1886247, 2572155, 3143745, 5658741, 9431235, 28293705]

約数ペア:

[(1, 28293705), (3, 9431235), (5, 5658741), (9, 3143745), (11, 2572155), (15, 1886247), (27, 1047915), (29, 975645), (33, 857385), (45, 628749), (55, 514431), (73, 387585), (81, 349305), (87, 325215), (99, 285795), (135, 209583), (145, 195129), (165, 171477), (219, 129195), (243, 116435), (261, 108405), (297, 95265), (319, 88695), (365, 77517), (405, 69861), (435, 65043), (495, 57159), (657, 43065), (783, 36135), (803, 35235), (891, 31755), (957, 29565), (1095, 25839), (1215, 23287), (1305, 21681), (1485, 19053), (1595, 17739), (1971, 14355), (2117, 13365), (2349, 12045), (2409, 11745), (2673, 10585), (2871, 9855), (3285, 8613), (3915, 7227), (4015, 7047), (4455, 6351), (4785, 5913)]