15721363836

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{421123}}^1$

素因数の和:421211

約数の個数: 72

約数和(自身を含む): 42767668944

約数和(自身を除く): 27046305108

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 61, 68, 102, 122, 153, 183, 204, 244, 306, 366, 549, 612, 732, 1037, 1098, 2074, 2196, 3111, 4148, 6222, 9333, 12444, 18666, 37332, 421123, 842246, 1263369, 1684492, 2526738, 3790107, 5053476, 7159091, 7580214, 14318182, 15160428, 21477273, 25688503, 28636364, 42954546, 51377006, 64431819, 77065509, 85909092, 102754012, 128863638, 154131018, 231196527, 257727276, 308262036, 436704551, 462393054, 873409102, 924786108, 1310113653, 1746818204, 2620227306, 3930340959, 5240454612, 7860681918, 15721363836]

約数ペア:

[(1, 15721363836), (2, 7860681918), (3, 5240454612), (4, 3930340959), (6, 2620227306), (9, 1746818204), (12, 1310113653), (17, 924786108), (18, 873409102), (34, 462393054), (36, 436704551), (51, 308262036), (61, 257727276), (68, 231196527), (102, 154131018), (122, 128863638), (153, 102754012), (183, 85909092), (204, 77065509), (244, 64431819), (306, 51377006), (366, 42954546), (549, 28636364), (612, 25688503), (732, 21477273), (1037, 15160428), (1098, 14318182), (2074, 7580214), (2196, 7159091), (3111, 5053476), (4148, 3790107), (6222, 2526738), (9333, 1684492), (12444, 1263369), (18666, 842246), (37332, 421123)]