661228227

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 1065931776

約数和(自身を除く): 404703549

約数列:

[1, 3, 9, 11, 33, 61, 99, 183, 223, 491, 549, 669, 671, 1473, 2007, 2013, 2453, 4419, 5401, 6039, 7359, 13603, 16203, 22077, 29951, 40809, 48609, 89853, 109493, 122427, 149633, 269559, 328479, 329461, 448899, 985437, 988383, 1204423, 1346697, 2965149, 3613269, 6679073, 10839807, 20037219, 60111657, 73469803, 220409409, 661228227]

約数ペア:

[(1, 661228227), (3, 220409409), (9, 73469803), (11, 60111657), (33, 20037219), (61, 10839807), (99, 6679073), (183, 3613269), (223, 2965149), (491, 1346697), (549, 1204423), (669, 988383), (671, 985437), (1473, 448899), (2007, 329461), (2013, 328479), (2453, 269559), (4419, 149633), (5401, 122427), (6039, 109493), (7359, 89853), (13603, 48609), (16203, 40809), (22077, 29951)]