78981915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2741}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 135038016

約数和(自身を除く): 56056101

約数列:

[1, 3, 5, 15, 17, 51, 85, 113, 255, 339, 565, 1695, 1921, 2741, 5763, 8223, 9605, 13705, 28815, 41115, 46597, 139791, 232985, 309733, 698955, 929199, 1548665, 4645995, 5265461, 15796383, 26327305, 78981915]

約数ペア:

[(1, 78981915), (3, 26327305), (5, 15796383), (15, 5265461), (17, 4645995), (51, 1548665), (85, 929199), (113, 698955), (255, 309733), (339, 232985), (565, 139791), (1695, 46597), (1921, 41115), (2741, 28815), (5763, 13705), (8223, 9605)]