15988891425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{74203}}^1$

素因数の和:74259

約数の個数: 72

約数和(自身を含む): 30309069024

約数和(自身を除く): 14320177599

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 169, 195, 221, 255, 325, 425, 507, 663, 845, 975, 1105, 1275, 2535, 2873, 3315, 4225, 5525, 8619, 12675, 14365, 16575, 43095, 71825, 74203, 215475, 222609, 371015, 964639, 1113045, 1261451, 1855075, 2893917, 3784353, 4823195, 5565225, 6307255, 12540307, 14469585, 16398863, 18921765, 24115975, 31536275, 37620921, 49196589, 62701535, 72347925, 81994315, 94608825, 188104605, 213185219, 245982945, 313507675, 409971575, 639555657, 940523025, 1065926095, 1229914725, 3197778285, 5329630475, 15988891425]

約数ペア:

[(1, 15988891425), (3, 5329630475), (5, 3197778285), (13, 1229914725), (15, 1065926095), (17, 940523025), (25, 639555657), (39, 409971575), (51, 313507675), (65, 245982945), (75, 213185219), (85, 188104605), (169, 94608825), (195, 81994315), (221, 72347925), (255, 62701535), (325, 49196589), (425, 37620921), (507, 31536275), (663, 24115975), (845, 18921765), (975, 16398863), (1105, 14469585), (1275, 12540307), (2535, 6307255), (2873, 5565225), (3315, 4823195), (4225, 3784353), (5525, 2893917), (8619, 1855075), (12675, 1261451), (14365, 1113045), (16575, 964639), (43095, 371015), (71825, 222609), (74203, 215475)]