221428233

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 357616896

約数和(自身を除く): 136188663

約数列:

[1, 3, 9, 13, 39, 47, 67, 117, 141, 201, 423, 601, 603, 611, 871, 1803, 1833, 2613, 3149, 5409, 5499, 7813, 7839, 9447, 23439, 28247, 28341, 40267, 40937, 70317, 84741, 120801, 122811, 254223, 362403, 367211, 368433, 523471, 1101633, 1570413, 1892549, 3304899, 4711239, 5677647, 17032941, 24603137, 73809411, 221428233]

約数ペア:

[(1, 221428233), (3, 73809411), (9, 24603137), (13, 17032941), (39, 5677647), (47, 4711239), (67, 3304899), (117, 1892549), (141, 1570413), (201, 1101633), (423, 523471), (601, 368433), (603, 367211), (611, 362403), (871, 254223), (1803, 122811), (1833, 120801), (2613, 84741), (3149, 70317), (5409, 40937), (5499, 40267), (7813, 28341), (7839, 28247), (9447, 23439)]