210318255

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{487}}^1$

素因数の和:965

約数の個数: 64

約数和(自身を含む): 429127680

約数和(自身を除く): 218809425

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 457, 487, 945, 1371, 1461, 2285, 2435, 3199, 3409, 4113, 4383, 6855, 7305, 9597, 10227, 12339, 13149, 15995, 17045, 20565, 21915, 28791, 30681, 47985, 51135, 61695, 65745, 86373, 92043, 143955, 153405, 222559, 431865, 460215, 667677, 1112795, 1557913, 2003031, 3338385, 4673739, 6009093, 7789565, 10015155, 14021217, 23368695, 30045465, 42063651, 70106085, 210318255]

約数ペア:

[(1, 210318255), (3, 70106085), (5, 42063651), (7, 30045465), (9, 23368695), (15, 14021217), (21, 10015155), (27, 7789565), (35, 6009093), (45, 4673739), (63, 3338385), (105, 2003031), (135, 1557913), (189, 1112795), (315, 667677), (457, 460215), (487, 431865), (945, 222559), (1371, 153405), (1461, 143955), (2285, 92043), (2435, 86373), (3199, 65745), (3409, 61695), (4113, 51135), (4383, 47985), (6855, 30681), (7305, 28791), (9597, 21915), (10227, 20565), (12339, 17045), (13149, 15995)]