28388235

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 47158272

約数和(自身を除く): 18770037

約数列:

[1, 3, 5, 15, 47, 67, 141, 201, 235, 335, 601, 705, 1005, 1803, 3005, 3149, 9015, 9447, 15745, 28247, 40267, 47235, 84741, 120801, 141235, 201335, 423705, 604005, 1892549, 5677647, 9462745, 28388235]

約数ペア:

[(1, 28388235), (3, 9462745), (5, 5677647), (15, 1892549), (47, 604005), (67, 423705), (141, 201335), (201, 141235), (235, 120801), (335, 84741), (601, 47235), (705, 40267), (1005, 28247), (1803, 15745), (3005, 9447), (3149, 9015)]