221856255

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7013}}^1$

素因数の和:7080

約数の個数: 48

約数和(自身を含む): 415789920

約数和(自身を除く): 193933665

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 285, 333, 555, 703, 855, 1665, 2109, 3515, 6327, 7013, 10545, 21039, 31635, 35065, 63117, 105195, 133247, 259481, 315585, 399741, 666235, 778443, 1199223, 1297405, 1998705, 2335329, 3892215, 4930139, 5996115, 11676645, 14790417, 24650695, 44371251, 73952085, 221856255]

約数ペア:

[(1, 221856255), (3, 73952085), (5, 44371251), (9, 24650695), (15, 14790417), (19, 11676645), (37, 5996115), (45, 4930139), (57, 3892215), (95, 2335329), (111, 1998705), (171, 1297405), (185, 1199223), (285, 778443), (333, 666235), (555, 399741), (703, 315585), (855, 259481), (1665, 133247), (2109, 105195), (3515, 63117), (6327, 35065), (7013, 31635), (10545, 21039)]