231657555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 413157888

約数和(自身を除く): 181500333

約数列:

[1, 3, 5, 15, 17, 37, 43, 51, 85, 111, 129, 185, 215, 255, 555, 571, 629, 645, 731, 1591, 1713, 1887, 2193, 2855, 3145, 3655, 4773, 7955, 8565, 9435, 9707, 10965, 21127, 23865, 24553, 27047, 29121, 48535, 63381, 73659, 81141, 105635, 122765, 135235, 145605, 316905, 359159, 368295, 405705, 417401, 908461, 1077477, 1252203, 1795795, 2087005, 2725383, 4542305, 5387385, 6261015, 13626915, 15443837, 46331511, 77219185, 231657555]

約数ペア:

[(1, 231657555), (3, 77219185), (5, 46331511), (15, 15443837), (17, 13626915), (37, 6261015), (43, 5387385), (51, 4542305), (85, 2725383), (111, 2087005), (129, 1795795), (185, 1252203), (215, 1077477), (255, 908461), (555, 417401), (571, 405705), (629, 368295), (645, 359159), (731, 316905), (1591, 145605), (1713, 135235), (1887, 122765), (2193, 105635), (2855, 81141), (3145, 73659), (3655, 63381), (4773, 48535), (7955, 29121), (8565, 27047), (9435, 24553), (9707, 23865), (10965, 21127)]