39848985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 79881984

約数和(自身を除く): 40032999

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 223, 285, 361, 495, 627, 669, 855, 1045, 1083, 1115, 1805, 1881, 2007, 2453, 3135, 3249, 3345, 3971, 4237, 5415, 7359, 9405, 10035, 11913, 12265, 12711, 16245, 19855, 21185, 22077, 35739, 36795, 38133, 46607, 59565, 63555, 80503, 110385, 139821, 178695, 190665, 233035, 241509, 402515, 419463, 699105, 724527, 885533, 1207545, 2097315, 2656599, 3622635, 4427665, 7969797, 13282995, 39848985]

約数ペア:

[(1, 39848985), (3, 13282995), (5, 7969797), (9, 4427665), (11, 3622635), (15, 2656599), (19, 2097315), (33, 1207545), (45, 885533), (55, 724527), (57, 699105), (95, 419463), (99, 402515), (165, 241509), (171, 233035), (209, 190665), (223, 178695), (285, 139821), (361, 110385), (495, 80503), (627, 63555), (669, 59565), (855, 46607), (1045, 38133), (1083, 36795), (1115, 35739), (1805, 22077), (1881, 21185), (2007, 19855), (2453, 16245), (3135, 12711), (3249, 12265), (3345, 11913), (3971, 10035), (4237, 9405), (5415, 7359)]