220183551

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 370903104

約数和(自身を除く): 150719553

約数列:

[1, 3, 7, 9, 21, 63, 113, 157, 197, 339, 471, 591, 791, 1017, 1099, 1379, 1413, 1773, 2373, 3297, 4137, 7119, 9891, 12411, 17741, 22261, 30929, 53223, 66783, 92787, 124187, 155827, 159669, 200349, 216503, 278361, 372561, 467481, 649509, 1117683, 1402443, 1948527, 3494977, 10484931, 24464839, 31454793, 73394517, 220183551]

約数ペア:

[(1, 220183551), (3, 73394517), (7, 31454793), (9, 24464839), (21, 10484931), (63, 3494977), (113, 1948527), (157, 1402443), (197, 1117683), (339, 649509), (471, 467481), (591, 372561), (791, 278361), (1017, 216503), (1099, 200349), (1379, 159669), (1413, 155827), (1773, 124187), (2373, 92787), (3297, 66783), (4137, 53223), (7119, 30929), (9891, 22261), (12411, 17741)]