210945855

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{15643}}^1$

素因数の和:15711

約数の個数: 32

約数和(自身を含む): 360437760

約数和(自身を除く): 149491905

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 2697, 4495, 13485, 15643, 46929, 78215, 234645, 453647, 484933, 1360941, 1454799, 2268235, 2424665, 6804705, 7273995, 14063057, 42189171, 70315285, 210945855]

約数ペア:

[(1, 210945855), (3, 70315285), (5, 42189171), (15, 14063057), (29, 7273995), (31, 6804705), (87, 2424665), (93, 2268235), (145, 1454799), (155, 1360941), (435, 484933), (465, 453647), (899, 234645), (2697, 78215), (4495, 46929), (13485, 15643)]