28948221

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 43188704

約数和(自身を除く): 14240483

約数列:

[1, 3, 9, 61, 67, 183, 201, 549, 603, 787, 2361, 4087, 7083, 12261, 36783, 48007, 52729, 144021, 158187, 432063, 474561, 3216469, 9649407, 28948221]

約数ペア:

[(1, 28948221), (3, 9649407), (9, 3216469), (61, 474561), (67, 432063), (183, 158187), (201, 144021), (549, 52729), (603, 48007), (787, 36783), (2361, 12261), (4087, 7083)]