1221518085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{7247}}^1$

素因数の和:7933

約数の個数: 32

約数和(自身を含む): 2072812032

約数和(自身を除く): 851293947

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 661, 1983, 3305, 7247, 9915, 11237, 21741, 33711, 36235, 56185, 108705, 123199, 168555, 369597, 615995, 1847985, 4790267, 14370801, 23951335, 71854005, 81434539, 244303617, 407172695, 1221518085]

約数ペア:

[(1, 1221518085), (3, 407172695), (5, 244303617), (15, 81434539), (17, 71854005), (51, 23951335), (85, 14370801), (255, 4790267), (661, 1847985), (1983, 615995), (3305, 369597), (7247, 168555), (9915, 123199), (11237, 108705), (21741, 56185), (33711, 36235)]