220169961

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 375459840

約数和(自身を除く): 155289879

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 167, 193, 207, 253, 297, 501, 579, 621, 759, 1503, 1737, 1837, 2123, 2277, 3841, 4439, 4509, 5211, 5511, 6369, 6831, 11523, 13317, 16533, 19107, 32231, 34569, 39951, 42251, 48829, 49599, 57321, 96693, 103707, 119853, 126753, 146487, 290079, 354541, 380259, 439461, 741313, 870237, 1063623, 1140777, 1318383, 2223939, 3190869, 6671817, 8154443, 9572607, 20015451, 24463329, 73389987, 220169961]

約数ペア:

[(1, 220169961), (3, 73389987), (9, 24463329), (11, 20015451), (23, 9572607), (27, 8154443), (33, 6671817), (69, 3190869), (99, 2223939), (167, 1318383), (193, 1140777), (207, 1063623), (253, 870237), (297, 741313), (501, 439461), (579, 380259), (621, 354541), (759, 290079), (1503, 146487), (1737, 126753), (1837, 119853), (2123, 103707), (2277, 96693), (3841, 57321), (4439, 49599), (4509, 48829), (5211, 42251), (5511, 39951), (6369, 34569), (6831, 32231), (11523, 19107), (13317, 16533)]