221440527

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 96

約数和(自身を含む): 431047680

約数和(自身を除く): 209607153

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 99, 121, 161, 189, 207, 231, 253, 297, 363, 421, 483, 621, 693, 759, 847, 1089, 1263, 1449, 1771, 2079, 2277, 2541, 2783, 2947, 3267, 3789, 4347, 4631, 5313, 6831, 7623, 8349, 8841, 9683, 11367, 13893, 15939, 19481, 22869, 25047, 26523, 29049, 32417, 41679, 47817, 50941, 58443, 67781, 75141, 79569, 87147, 97251, 106513, 125037, 152823, 175329, 203343, 261441, 291753, 319539, 356587, 458469, 525987, 610029, 745591, 875259, 958617, 1069761, 1171643, 1375407, 1830087, 2236773, 2875851, 3209283, 3514929, 6710319, 8201501, 9627849, 10544787, 20130957, 24604503, 31634361, 73813509, 221440527]

約数ペア:

[(1, 221440527), (3, 73813509), (7, 31634361), (9, 24604503), (11, 20130957), (21, 10544787), (23, 9627849), (27, 8201501), (33, 6710319), (63, 3514929), (69, 3209283), (77, 2875851), (99, 2236773), (121, 1830087), (161, 1375407), (189, 1171643), (207, 1069761), (231, 958617), (253, 875259), (297, 745591), (363, 610029), (421, 525987), (483, 458469), (621, 356587), (693, 319539), (759, 291753), (847, 261441), (1089, 203343), (1263, 175329), (1449, 152823), (1771, 125037), (2079, 106513), (2277, 97251), (2541, 87147), (2783, 79569), (2947, 75141), (3267, 67781), (3789, 58443), (4347, 50941), (4631, 47817), (5313, 41679), (6831, 32417), (7623, 29049), (8349, 26523), (8841, 25047), (9683, 22869), (11367, 19481), (13893, 15939)]