16251915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 29000448

約数和(自身を除く): 12748533

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 163, 255, 289, 345, 391, 489, 815, 867, 1173, 1445, 1955, 2445, 2771, 3749, 4335, 5865, 6647, 8313, 11247, 13855, 18745, 19941, 33235, 41565, 47107, 56235, 63733, 99705, 141321, 191199, 235535, 318665, 706605, 955995, 1083461, 3250383, 5417305, 16251915]

約数ペア:

[(1, 16251915), (3, 5417305), (5, 3250383), (15, 1083461), (17, 955995), (23, 706605), (51, 318665), (69, 235535), (85, 191199), (115, 141321), (163, 99705), (255, 63733), (289, 56235), (345, 47107), (391, 41565), (489, 33235), (815, 19941), (867, 18745), (1173, 13855), (1445, 11247), (1955, 8313), (2445, 6647), (2771, 5865), (3749, 4335)]