221805195

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{13781}}^1$

素因数の和:13855

約数の個数: 32

約数和(自身を含む): 377075520

約数和(自身を除く): 155270325

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 3219, 5365, 13781, 16095, 41343, 68905, 206715, 399649, 509897, 1198947, 1529691, 1998245, 2549485, 5994735, 7648455, 14787013, 44361039, 73935065, 221805195]

約数ペア:

[(1, 221805195), (3, 73935065), (5, 44361039), (15, 14787013), (29, 7648455), (37, 5994735), (87, 2549485), (111, 1998245), (145, 1529691), (185, 1198947), (435, 509897), (555, 399649), (1073, 206715), (3219, 68905), (5365, 41343), (13781, 16095)]