16884825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 31977120

約数和(自身を除く): 15092295

約数列:

[1, 3, 5, 15, 17, 19, 25, 41, 51, 57, 75, 85, 95, 123, 205, 255, 285, 289, 323, 425, 475, 615, 697, 779, 867, 969, 1025, 1275, 1425, 1445, 1615, 2091, 2337, 3075, 3485, 3895, 4335, 4845, 5491, 7225, 8075, 10455, 11685, 11849, 13243, 16473, 17425, 19475, 21675, 24225, 27455, 35547, 39729, 52275, 58425, 59245, 66215, 82365, 137275, 177735, 198645, 225131, 296225, 331075, 411825, 675393, 888675, 993225, 1125655, 3376965, 5628275, 16884825]

約数ペア:

[(1, 16884825), (3, 5628275), (5, 3376965), (15, 1125655), (17, 993225), (19, 888675), (25, 675393), (41, 411825), (51, 331075), (57, 296225), (75, 225131), (85, 198645), (95, 177735), (123, 137275), (205, 82365), (255, 66215), (285, 59245), (289, 58425), (323, 52275), (425, 39729), (475, 35547), (615, 27455), (697, 24225), (779, 21675), (867, 19475), (969, 17425), (1025, 16473), (1275, 13243), (1425, 11849), (1445, 11685), (1615, 10455), (2091, 8075), (2337, 7225), (3075, 5491), (3485, 4845), (3895, 4335)]