72831255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 137991168

約数和(自身を除く): 65159913

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 83, 105, 137, 183, 249, 305, 411, 415, 427, 581, 685, 915, 959, 1245, 1281, 1743, 2055, 2135, 2877, 2905, 4795, 5063, 6405, 8357, 8715, 11371, 14385, 15189, 25071, 25315, 34113, 35441, 41785, 56855, 58499, 75945, 79597, 106323, 125355, 170565, 175497, 177205, 238791, 292495, 397985, 531615, 693631, 877485, 1193955, 2080893, 3468155, 4855417, 10404465, 14566251, 24277085, 72831255]

約数ペア:

[(1, 72831255), (3, 24277085), (5, 14566251), (7, 10404465), (15, 4855417), (21, 3468155), (35, 2080893), (61, 1193955), (83, 877485), (105, 693631), (137, 531615), (183, 397985), (249, 292495), (305, 238791), (411, 177205), (415, 175497), (427, 170565), (581, 125355), (685, 106323), (915, 79597), (959, 75945), (1245, 58499), (1281, 56855), (1743, 41785), (2055, 35441), (2135, 34113), (2877, 25315), (2905, 25071), (4795, 15189), (5063, 14385), (6405, 11371), (8357, 8715)]