30666741

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{509}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 49612800

約数和(自身を除く): 18946059

約数列:

[1, 3, 7, 19, 21, 57, 133, 151, 399, 453, 509, 1057, 1527, 2869, 3171, 3563, 8607, 9671, 10689, 20083, 29013, 60249, 67697, 76859, 203091, 230577, 538013, 1460321, 1614039, 4380963, 10222247, 30666741]

約数ペア:

[(1, 30666741), (3, 10222247), (7, 4380963), (19, 1614039), (21, 1460321), (57, 538013), (133, 230577), (151, 203091), (399, 76859), (453, 67697), (509, 60249), (1057, 29013), (1527, 20083), (2869, 10689), (3171, 9671), (3563, 8607)]