153920487

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 251665920

約数和(自身を除く): 97745433

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 263, 609, 651, 789, 899, 961, 1841, 2697, 2883, 5523, 6293, 6727, 7627, 8153, 18879, 20181, 22881, 24459, 27869, 53389, 57071, 83607, 160167, 171213, 195083, 236437, 252743, 585249, 709311, 758229, 1655059, 1769201, 4965177, 5307603, 7329547, 21988641, 51306829, 153920487]

約数ペア:

[(1, 153920487), (3, 51306829), (7, 21988641), (21, 7329547), (29, 5307603), (31, 4965177), (87, 1769201), (93, 1655059), (203, 758229), (217, 709311), (263, 585249), (609, 252743), (651, 236437), (789, 195083), (899, 171213), (961, 160167), (1841, 83607), (2697, 57071), (2883, 53389), (5523, 27869), (6293, 24459), (6727, 22881), (7627, 20181), (8153, 18879)]