71728173

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 60

約数和(自身を含む): 123919488

約数和(自身を除く): 52191315

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 223, 297, 361, 513, 627, 669, 891, 1083, 1539, 1881, 2007, 2453, 3249, 3971, 4237, 5643, 6021, 7359, 9747, 11913, 12711, 16929, 18063, 22077, 29241, 35739, 38133, 46607, 66231, 80503, 107217, 114399, 139821, 198693, 241509, 321651, 343197, 419463, 724527, 885533, 1258389, 2173581, 2656599, 3775167, 6520743, 7969797, 23909391, 71728173]

約数ペア:

[(1, 71728173), (3, 23909391), (9, 7969797), (11, 6520743), (19, 3775167), (27, 2656599), (33, 2173581), (57, 1258389), (81, 885533), (99, 724527), (171, 419463), (209, 343197), (223, 321651), (297, 241509), (361, 198693), (513, 139821), (627, 114399), (669, 107217), (891, 80503), (1083, 66231), (1539, 46607), (1881, 38133), (2007, 35739), (2453, 29241), (3249, 22077), (3971, 18063), (4237, 16929), (5643, 12711), (6021, 11913), (7359, 9747)]