678045195

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 1236170880

約数和(自身を除く): 558125685

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 137, 183, 305, 411, 549, 601, 685, 915, 1233, 1647, 1803, 2055, 2745, 3005, 3699, 5409, 6165, 8235, 8357, 9015, 16227, 18495, 25071, 27045, 36661, 41785, 75213, 81135, 82337, 109983, 125355, 183305, 225639, 247011, 329949, 376065, 411685, 549915, 741033, 989847, 1128195, 1235055, 1649745, 2223099, 3705165, 4949235, 5022557, 11115495, 15067671, 25112785, 45203013, 75338355, 135609039, 226015065, 678045195]

約数ペア:

[(1, 678045195), (3, 226015065), (5, 135609039), (9, 75338355), (15, 45203013), (27, 25112785), (45, 15067671), (61, 11115495), (135, 5022557), (137, 4949235), (183, 3705165), (305, 2223099), (411, 1649745), (549, 1235055), (601, 1128195), (685, 989847), (915, 741033), (1233, 549915), (1647, 411685), (1803, 376065), (2055, 329949), (2745, 247011), (3005, 225639), (3699, 183305), (5409, 125355), (6165, 109983), (8235, 82337), (8357, 81135), (9015, 75213), (16227, 41785), (18495, 36661), (25071, 27045)]