321303315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{1531}}^1$

素因数の和:2379

約数の個数: 32

約数和(自身を含む): 545342976

約数和(自身を除く): 224039661

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 823, 1531, 2469, 4115, 4593, 7655, 12345, 13991, 22965, 26027, 41973, 69955, 78081, 130135, 209865, 390405, 1260013, 3780039, 6300065, 18900195, 21420221, 64260663, 107101105, 321303315]

約数ペア:

[(1, 321303315), (3, 107101105), (5, 64260663), (15, 21420221), (17, 18900195), (51, 6300065), (85, 3780039), (255, 1260013), (823, 390405), (1531, 209865), (2469, 130135), (4115, 78081), (4593, 69955), (7655, 41973), (12345, 26027), (13991, 22965)]