17239131

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 32532864

約数和(自身を除く): 15293733

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 49, 63, 91, 93, 97, 117, 147, 217, 273, 279, 291, 403, 441, 637, 651, 679, 819, 873, 1209, 1261, 1519, 1911, 1953, 2037, 2821, 3007, 3627, 3783, 4557, 4753, 5733, 6111, 8463, 8827, 9021, 11349, 13671, 14259, 19747, 21049, 25389, 26481, 27063, 39091, 42777, 59241, 61789, 63147, 79443, 117273, 147343, 177723, 185367, 189441, 273637, 351819, 442029, 556101, 820911, 1326087, 1915459, 2462733, 5746377, 17239131]

約数ペア:

[(1, 17239131), (3, 5746377), (7, 2462733), (9, 1915459), (13, 1326087), (21, 820911), (31, 556101), (39, 442029), (49, 351819), (63, 273637), (91, 189441), (93, 185367), (97, 177723), (117, 147343), (147, 117273), (217, 79443), (273, 63147), (279, 61789), (291, 59241), (403, 42777), (441, 39091), (637, 27063), (651, 26481), (679, 25389), (819, 21049), (873, 19747), (1209, 14259), (1261, 13671), (1519, 11349), (1911, 9021), (1953, 8827), (2037, 8463), (2821, 6111), (3007, 5733), (3627, 4753), (3783, 4557)]