281445813

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6917}}^1$

素因数の和:7074

約数の個数: 32

約数和(自身を含む): 458248320

約数和(自身を除く): 176802507

約数列:

[1, 3, 9, 11, 27, 33, 99, 137, 297, 411, 1233, 1507, 3699, 4521, 6917, 13563, 20751, 40689, 62253, 76087, 186759, 228261, 684783, 947629, 2054349, 2842887, 8528661, 10423919, 25585983, 31271757, 93815271, 281445813]

約数ペア:

[(1, 281445813), (3, 93815271), (9, 31271757), (11, 25585983), (27, 10423919), (33, 8528661), (99, 2842887), (137, 2054349), (297, 947629), (411, 684783), (1233, 228261), (1507, 186759), (3699, 76087), (4521, 62253), (6917, 40689), (13563, 20751)]