201718647

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 335301120

約数和(自身を除く): 133582473

約数列:

[1, 3, 9, 13, 27, 39, 41, 107, 117, 123, 131, 321, 351, 369, 393, 533, 963, 1107, 1179, 1391, 1599, 1703, 2889, 3537, 4173, 4387, 4797, 5109, 5371, 12519, 13161, 14017, 14391, 15327, 16113, 37557, 39483, 42051, 45981, 48339, 57031, 69823, 118449, 126153, 145017, 171093, 182221, 209469, 378459, 513279, 546663, 574697, 628407, 1539837, 1639989, 1724091, 1885221, 4919967, 5172273, 7471061, 15516819, 22413183, 67239549, 201718647]

約数ペア:

[(1, 201718647), (3, 67239549), (9, 22413183), (13, 15516819), (27, 7471061), (39, 5172273), (41, 4919967), (107, 1885221), (117, 1724091), (123, 1639989), (131, 1539837), (321, 628407), (351, 574697), (369, 546663), (393, 513279), (533, 378459), (963, 209469), (1107, 182221), (1179, 171093), (1391, 145017), (1599, 126153), (1703, 118449), (2889, 69823), (3537, 57031), (4173, 48339), (4387, 45981), (4797, 42051), (5109, 39483), (5371, 37557), (12519, 16113), (13161, 15327), (14017, 14391)]