783669825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{971}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 1494788256

約数和(自身を除く): 711118431

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 211, 225, 255, 425, 633, 765, 971, 1055, 1275, 1899, 2913, 3165, 3587, 3825, 4855, 5275, 8739, 9495, 10761, 14565, 15825, 16507, 17935, 24275, 32283, 43695, 47475, 49521, 53805, 72825, 82535, 89675, 148563, 161415, 204881, 218475, 247605, 269025, 412675, 614643, 742815, 807075, 1024405, 1238025, 1843929, 3073215, 3482977, 3714075, 5122025, 9219645, 10448931, 15366075, 17414885, 31346793, 46098225, 52244655, 87074425, 156733965, 261223275, 783669825]

約数ペア:

[(1, 783669825), (3, 261223275), (5, 156733965), (9, 87074425), (15, 52244655), (17, 46098225), (25, 31346793), (45, 17414885), (51, 15366075), (75, 10448931), (85, 9219645), (153, 5122025), (211, 3714075), (225, 3482977), (255, 3073215), (425, 1843929), (633, 1238025), (765, 1024405), (971, 807075), (1055, 742815), (1275, 614643), (1899, 412675), (2913, 269025), (3165, 247605), (3587, 218475), (3825, 204881), (4855, 161415), (5275, 148563), (8739, 89675), (9495, 82535), (10761, 72825), (14565, 53805), (15825, 49521), (16507, 47475), (17935, 43695), (24275, 32283)]