138766131

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 239016960

約数和(自身を除く): 100250829

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 151, 203, 261, 453, 503, 609, 1057, 1359, 1509, 1827, 3171, 3521, 4379, 4527, 9513, 10563, 13137, 14587, 30653, 31689, 39411, 43761, 75953, 91959, 102109, 131283, 227859, 275877, 306327, 531671, 683577, 918981, 1595013, 2202637, 4785039, 6607911, 15418459, 19823733, 46255377, 138766131]

約数ペア:

[(1, 138766131), (3, 46255377), (7, 19823733), (9, 15418459), (21, 6607911), (29, 4785039), (63, 2202637), (87, 1595013), (151, 918981), (203, 683577), (261, 531671), (453, 306327), (503, 275877), (609, 227859), (1057, 131283), (1359, 102109), (1509, 91959), (1827, 75953), (3171, 43761), (3521, 39411), (4379, 31689), (4527, 30653), (9513, 14587), (10563, 13137)]