208046145

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{3491}}^1$

素因数の和:3665

約数の個数: 32

約数和(自身を含む): 346965120

約数和(自身を除く): 138918975

約数列:

[1, 3, 5, 15, 29, 87, 137, 145, 411, 435, 685, 2055, 3491, 3973, 10473, 11919, 17455, 19865, 52365, 59595, 101239, 303717, 478267, 506195, 1434801, 1518585, 2391335, 7174005, 13869743, 41609229, 69348715, 208046145]

約数ペア:

[(1, 208046145), (3, 69348715), (5, 41609229), (15, 13869743), (29, 7174005), (87, 2391335), (137, 1518585), (145, 1434801), (411, 506195), (435, 478267), (685, 303717), (2055, 101239), (3491, 59595), (3973, 52365), (10473, 19865), (11919, 17455)]