20151496911

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{47287}}^1$

素因数の和:47540

約数の個数: 48

約数和(自身を含む): 33811298304

約数和(自身を除く): 13659801393

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 223, 273, 637, 669, 1561, 1911, 2899, 4683, 8697, 10927, 20293, 32781, 47287, 60879, 141861, 142051, 331009, 426153, 614731, 993027, 1844193, 2317063, 4303117, 6951189, 10545001, 12909351, 30121819, 31635003, 73815007, 90365457, 137085013, 221445021, 411255039, 516705049, 959595091, 1550115147, 2878785273, 6717165637, 20151496911]

約数ペア:

[(1, 20151496911), (3, 6717165637), (7, 2878785273), (13, 1550115147), (21, 959595091), (39, 516705049), (49, 411255039), (91, 221445021), (147, 137085013), (223, 90365457), (273, 73815007), (637, 31635003), (669, 30121819), (1561, 12909351), (1911, 10545001), (2899, 6951189), (4683, 4303117), (8697, 2317063), (10927, 1844193), (20293, 993027), (32781, 614731), (47287, 426153), (60879, 331009), (141861, 142051)]