7021755

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4001}}^1$

素因数の和:4028

約数の個数: 32

約数和(自身を含む): 13446720

約数和(自身を除く): 6424965

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 4001, 12003, 20005, 36009, 52013, 60015, 108027, 156039, 180045, 260065, 468117, 540135, 780195, 1404351, 2340585, 7021755]

約数ペア:

[(1, 7021755), (3, 2340585), (5, 1404351), (9, 780195), (13, 540135), (15, 468117), (27, 260065), (39, 180045), (45, 156039), (65, 108027), (117, 60015), (135, 52013), (195, 36009), (351, 20005), (585, 12003), (1755, 4001)]