221937705

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1451}}^1$

素因数の和:1579

約数の個数: 64

約数和(自身を含む): 434903040

約数和(自身を除く): 212965335

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 103, 135, 165, 297, 309, 495, 515, 927, 1133, 1451, 1485, 1545, 2781, 3399, 4353, 4635, 5665, 7255, 10197, 13059, 13905, 15961, 16995, 21765, 30591, 39177, 47883, 50985, 65295, 79805, 143649, 149453, 152955, 195885, 239415, 430947, 448359, 718245, 747265, 1345077, 1643983, 2154735, 2241795, 4035231, 4931949, 6725385, 8219915, 14795847, 20176155, 24659745, 44387541, 73979235, 221937705]

約数ペア:

[(1, 221937705), (3, 73979235), (5, 44387541), (9, 24659745), (11, 20176155), (15, 14795847), (27, 8219915), (33, 6725385), (45, 4931949), (55, 4035231), (99, 2241795), (103, 2154735), (135, 1643983), (165, 1345077), (297, 747265), (309, 718245), (495, 448359), (515, 430947), (927, 239415), (1133, 195885), (1451, 152955), (1485, 149453), (1545, 143649), (2781, 79805), (3399, 65295), (4353, 50985), (4635, 47883), (5665, 39177), (7255, 30591), (10197, 21765), (13059, 16995), (13905, 15961)]