30420195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2137}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 53159232

約数和(自身を除く): 22739037

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 195, 219, 365, 949, 1095, 2137, 2847, 4745, 6411, 10685, 14235, 27781, 32055, 83343, 138905, 156001, 416715, 468003, 780005, 2028013, 2340015, 6084039, 10140065, 30420195]

約数ペア:

[(1, 30420195), (3, 10140065), (5, 6084039), (13, 2340015), (15, 2028013), (39, 780005), (65, 468003), (73, 416715), (195, 156001), (219, 138905), (365, 83343), (949, 32055), (1095, 27781), (2137, 14235), (2847, 10685), (4745, 6411)]