1988235

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 3841344

約数和(自身を除く): 1853109

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 113, 115, 153, 207, 255, 339, 345, 391, 565, 765, 1017, 1035, 1173, 1695, 1921, 1955, 2599, 3519, 5085, 5763, 5865, 7797, 9605, 12995, 17289, 17595, 23391, 28815, 38985, 44183, 86445, 116955, 132549, 220915, 397647, 662745, 1988235]

約数ペア:

[(1, 1988235), (3, 662745), (5, 397647), (9, 220915), (15, 132549), (17, 116955), (23, 86445), (45, 44183), (51, 38985), (69, 28815), (85, 23391), (113, 17595), (115, 17289), (153, 12995), (207, 9605), (255, 7797), (339, 5865), (345, 5763), (391, 5085), (565, 3519), (765, 2599), (1017, 1955), (1035, 1921), (1173, 1695)]