199344975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^3\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 350825760

約数和(自身を除く): 151480785

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 541, 867, 1275, 1445, 1623, 2705, 4335, 4913, 7225, 8115, 9197, 13525, 14739, 21675, 24565, 27591, 40575, 45985, 73695, 122825, 137955, 156349, 229925, 368475, 469047, 689775, 781745, 2345235, 2657933, 3908725, 7973799, 11726175, 13289665, 39868995, 66448325, 199344975]

約数ペア:

[(1, 199344975), (3, 66448325), (5, 39868995), (15, 13289665), (17, 11726175), (25, 7973799), (51, 3908725), (75, 2657933), (85, 2345235), (255, 781745), (289, 689775), (425, 469047), (541, 368475), (867, 229925), (1275, 156349), (1445, 137955), (1623, 122825), (2705, 73695), (4335, 45985), (4913, 40575), (7225, 27591), (8115, 24565), (9197, 21675), (13525, 14739)]