213256365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{38321}}^1$

素因数の和:38389

約数の個数: 32

約数和(自身を含む): 397322496

約数和(自身を除く): 184066131

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 5565, 38321, 114963, 191605, 268247, 574815, 804741, 1341235, 2031013, 4023705, 6093039, 10155065, 14217091, 30465195, 42651273, 71085455, 213256365]

約数ペア:

[(1, 213256365), (3, 71085455), (5, 42651273), (7, 30465195), (15, 14217091), (21, 10155065), (35, 6093039), (53, 4023705), (105, 2031013), (159, 1341235), (265, 804741), (371, 574815), (795, 268247), (1113, 191605), (1855, 114963), (5565, 38321)]