209849205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{991}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 354263040

約数和(自身を除く): 144413835

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 743, 991, 2229, 2973, 3715, 4955, 11145, 14117, 14865, 18829, 42351, 56487, 70585, 94145, 211755, 282435, 736313, 2208939, 3681565, 11044695, 13989947, 41969841, 69949735, 209849205]

約数ペア:

[(1, 209849205), (3, 69949735), (5, 41969841), (15, 13989947), (19, 11044695), (57, 3681565), (95, 2208939), (285, 736313), (743, 282435), (991, 211755), (2229, 94145), (2973, 70585), (3715, 56487), (4955, 42351), (11145, 18829), (14117, 14865)]