20214117

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{463}}^1$

素因数の和:500

約数の個数: 60

約数和(自身を含む): 38402496

約数和(自身を除く): 18188379

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 297, 441, 463, 539, 567, 693, 891, 1323, 1389, 1617, 2079, 3241, 3969, 4167, 4851, 5093, 6237, 9723, 12501, 14553, 15279, 22687, 29169, 35651, 37503, 43659, 45837, 68061, 87507, 106953, 137511, 204183, 249557, 262521, 320859, 412533, 612549, 748671, 962577, 1837647, 2246013, 2887731, 6738039, 20214117]

約数ペア:

[(1, 20214117), (3, 6738039), (7, 2887731), (9, 2246013), (11, 1837647), (21, 962577), (27, 748671), (33, 612549), (49, 412533), (63, 320859), (77, 262521), (81, 249557), (99, 204183), (147, 137511), (189, 106953), (231, 87507), (297, 68061), (441, 45837), (463, 43659), (539, 37503), (567, 35651), (693, 29169), (891, 22687), (1323, 15279), (1389, 14553), (1617, 12501), (2079, 9723), (3241, 6237), (3969, 5093), (4167, 4851)]